Document:

EXHIBIT 4.1

                                                               CUSIP
                                  BTHC X, INC.

              INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE

                                                               SEE REVERSE FOR
                                  COMMON STOCK               CERTAIN DEFINITIONS

                                    SPECIMEN

This
certifies
that

is the owner of

 FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, $0.001 PAR VALUE, OF
                                  BTHC X, INC.

(hereinafter  called  the  "Corporation"),  transferable  on  the  books  of the
Corporation by the holder hereof in person or by duly authorized attorney,  upon
surrender of the Certificate properly endorsed.  This certificate and the shares
represented hereby are issued and shall be held subject to all the provisions of
the Certificate of Incorporation  and the Bylaws of the Corporation,  as amended
(copies of which are on file at the  office of the  Transfer  Agent),  to all of
which  the  holder  of this  Certificate  by  acceptance  hereof  assents.  This
Certificate  is not valid unless  countersigned  and  registered by the Transfer
Agent and  Registrar.  Witness  the  facsmile  seal of the  Corporation  and the
facsimile signatures of its duly authorized officers.

DATE:

                            [CORPORATE SEAL OMITTED]

                               Countersigned:
PRESIDENT                                    SECURITIES TRANSFER CORPORATION
                                             P.O. Box 701629
                                             Dallas, TX 75370
                                          By:

SECRETARY                                    ___________________________________
                                             TRANSFER AGENT-AUTHORIZED SIGNATURERaven
      Gold Corp.

    

    

    May
      30,
      2006

    

    Mr.
      Francis R. Biscan Jr.

    President
      & CEO

    Tara
      Gold
      Resources Corp.

    

    

    Re:
      Joint
      Venture Agreement on the La Currita Groupings, near Temoris, Chihuahua, Mexico
      between Amermin S.A. de C.V., a 97% owned subsidiary of Tara Gold Resources
      Corp. (Tara) and Raven Gold Corp. (RAVEN) in trust for a Mexican subsidiary
      to
      be created at a later date. The La Currita Groupings are approximately 192
      acres
      and are known as Sulema 2, El Rosario, La Curra, and La Currita (Head of
      group).

    

    Dear
      Mr.
      Biscan;

    

    We
      are
      pleased to present the following terms regarding the La Currita
      Groupings.

    

    Terms:

    
      	 	
              1.

            	
              Upon
                the signing of this Agreement, RAVEN agrees to purchase 25% of Tara’s
                interests in the La Currita Groupings by completing the
                following;

            

    

    

    
      	 	
              a)

            	
              Make
                a non-refundable payment of US$75,000.00, coinciding with the signing
                of
                this Agreement (the payment will be refundable if a satisfactory
                title
                search is not secured by RAVEN from Tara by August 17,
                2006);

            

    

    
      	 	
              b)

            	
              Make
                a payment of US$125,000.00 by August 17,
                2006;

            

    

    
      	 	
              c)

            	
              Make
                a payment of US$150,000.00 by October 17,
                2006;

            

    

    
      	 	
              d)

            	
              Make
                a payment of US$300,000.00 by December 17, 2006;
                and

            

    

    
      	 	
              e)

            	
              RAVEN
                must issue to Tara 250,000 Rule 144 restricted common
                shares.

            

    

    

    Upon
      signing of this Agreement, Tara agrees to:

    
      	 	
              a)

            	
              Make
                available a certified copy of title for the La Currita Groupings
                as soon
                as one is received or no later then August 17,
                2006.

            

    

    

    
      	 	
              2.

            	
              RAVEN
                agrees to make all property payments and any other payments deemed
                necessary to maintain the properties and keep in good standing the
                full
                interest in the La Currita Groupings and continue to make these payments
                as long as the Joint Venture outlined in this agreement is in effect.
                Payments will be escrowed for payment at least 14 days before payment
                is
                due.

            

    

    

    
      	 	
              3.

            	
              RAVEN
                will make an additional payment of US $100,000.00 on every anniversary
                date of this agreement to maintain its interests earned, and to keep
                the
                Joint Venture in good standing.

            

    

     

     

    
      
        
        

      

      
        1

        
          

        

      

      
        
        

      

    

    
 

    
      	 	
              4.

            	
              On
                a monthly basis, the net operating revenue derived from La Currita
                will be
                distributed at the interest level earned, according to the overall
                terms
                of this agreement, by each party on the last day of the month during
                which
                the revenue was generated.

            

    

    

    
      	 	
              5.

            	
              Raven
                will have the right to invest up to a maximum of $500,000.00 Start-Up
                Capital, which is unrelated to any payments or expenditures within
                this
                agreement, under special terms. Whereby the investment will be paid
                back
                out of net operating revenue at a rate higher then the current interest
                earned. On a monthly basis, 60% of the net operating revenue derived
                from
                La Currita, will be set aside and credited or paid out to Raven towards
                recovery of the Start-Up Capital investment by Raven. The remainder
                of the
                net operating revenue derived from La Currita, during the recovery
                of the
                Start-Up Capital phase, will be distributed to Tara. Once the full
                amount
                of the Start-Up Capital has been recovered from the 60% set aside,
                the
                revenue sharing will revert back to the interest that has been earned
                according to the overall terms of this
                agreement.

            

    

    

    
      	 	
              6.

            	
              RAVEN
                may increase its interest in the La Currita project to 40% thereby
                reducing Tara’s interest in the La Currita Groupings to 60%, after first
                notifying Tara of RAVEN’s intentions and after the following conditions
                have been met:

            

    

    

    
      	 	
              a.

            	
              RAVEN
                spends an additional US$1.0 million, over and above the Start-Up
                Capital,
                on exploration and development within 18 months of the date this
                agreement
                is signed. Tara agrees that RAVEN will be the operator overseeing
                the
                additional US$1.0 million expenditure; however, Tara may have it
                representatives on location at any and all times to observe all
                operations, and may audit expenditures as
                necessary;

            

    

    

    
      	 	
              b.

            	
              RAVEN
                will supply the expertise and expenditures, within the amount outlined
                in
                6)a., necessary to achieve monthly production at the La Currita Processing
                Plant of 4,500 tons per month for 3 consecutive months and maintain
                ongoing production of a minimum of 4,000 tons per
                month;

            

    

    

    
      	 	
              c.

            	
              Once
                RAVEN has notified Tara in writing, along with supporting documents,
                that
                it has spent US$1.0 million in exploration work on La Currita, the
                Joint
                Venture Partners agree to enter into a standard joint venture agreement
                by
                which it will have a 40% working interest in the La Currita Groupings
                and
                Tara will own a 60% interest. At this point, RAVEN is to be appointed
                operator of the joint venture and will remain the operator as long
                as it
                maintains it’s 40% participation in the joint venture by paying all
                property payments and it’s proportionate share of expenses or decides to
                withdraw from such responsibility;
                and

            

    

    

    
      	 	
              d.

            	
              RAVEN
                issues to Tara an additional 250,000 Rule 144 restricted common shares
                at
                notification to increase its
                interest.

            

    

    

    
      	 	
              7.

            	
              A
                standard dilution clause will apply in case one of the partners decides
                not to participate financially for its proportionate share in any
                exploration or development program submitted by the operator. Should
                the
                operator decide not to present any exploration or development programs,
                the other party can present one and become the
                operator.

            

    

     

     

     

    
      
        
        

      

      
        2

        
          

        

      

      
        
        

      

    

    
 

    
      	 	 	
              As
                a basis for the dilution clause, each party will be deemed to have
                invested the following amount of money in the La Currita
                Groupings:

            

    

    

    
      	 	
              1.

            	
              RAVEN:
                US$1,600,000 (representing its 40% interest);
                and

            

    

    
      	 	
              2.

            	
              Tara:
                US$2,400,000 (representing its 60%
                interest).

            

    

    

    Once
      a
      participant has been diluted to a 10% interest, this interest will automatically
      convert into a 3% N.S.R. and the joint venture agreement will become null and
      void. For a period of no longer then 1 year, the majority party will have the
      option to reduce the 3% NSR to 1% in exchange for a US$2,000,000
      payment;

    

    
      	 	
              8.

            	
              Each
                party, as long as their original participation is maintained, will
                have
                one vote each in the decisions of the joint venture management committee.
                An arbitration clause will be included in case of
                disagreement;

            

    

    

    
      	 	
              9.

            	
              It
                is also agreed that RAVEN has an option to increase its interest
                in the La
                Currita Groupings to 60% thereby reducing Tara’s interest in the La
                Currita Groupings to 40%, on the following
                conditions:

            

    

    

    
      	 	
              a.

            	
              RAVEN
                spends an additional US$2.5 million over and above the US$1.0 million
                expenditures outlined in 6(a) above on exploration and development
                within
                36 months of the date this agreement is signed. Tara agrees that
                RAVEN
                will remain as operator overseeing the US$2.5 million expenditure;
                however, Tara may have it representatives on location at any and
                all times
                to observe all operations, and may audit expenditures by RAVEN as
                necessary;

            

    

    

    
      	 	
              b.

            	
              RAVEN
                will supply the expertise and expenditures, within the amount outlined
                in
                9)a., necessary to achieve monthly production at the La Currita Processing
                Plant of 9,000 tons per month for 3 consecutive months and maintain
                ongoing production of a minimum of 8,000 tons per
                month;

            

    

    

    
      	 	
              c.

            	
              RAVEN
                issues to Tara 250,000 Rule 144 restricted common shares at notification
                to increase its interest; and

            

    

    

    
      	 	
              d.

            	
              RAVEN
                agrees that after it has earned its 60%, Tara will receive 90 days,
                from
                the date of approval of any exploration budget, to pay its proportionate
                share of actual expenditures.

            

    

    

    
      	 	 	
              The
                dilution clause outlined in 7 above, will be revised upon RAVEN increasing
                its interests to 60%, and as a basis for the dilution clause, each
                party
                will be deemed to have invested the following amount of money in
                the La
                Currita Groupings;

            

    

    

    
      	
            	1	
              RAVEN:
                US$4,100,000 (representing its 60% interest);
                and

            

    

    
      	
            	2	
              Tara:
                US$2,733,333 (representing its 40%
                interest).

            

    

     

     

    
      
        
        

      

      
        3

        
          

        

      

      
        
        

      

    

    
 

    
      	 	
              10.

            	
              RAVEN
                agrees that it will divide any economic benefits gained through this
                agreement based in the earned interest at the time of
                benefit.

            

    

    

    
      	 	
              11.

            	
              It
                is understood that Tara has an agreement with Paramount Gold Mining
                Corp,
                which hit holds under the “San Miguel Joint Venture Agreement” dated
                August 3rd, 2005 to supply and process ore at the La Currita Mill
                at a
                minimum rate of 75 tons per day and its first right of refusal to
                participate in any mill improvement that will increase the daily
                capacity
                of the La Currita mill operation, therefore increasing RAVEN’s minimum
                rate (75 tpd) proportionally.

            

    

    

    
      	 	
              12.

            	
              Should
                RAVEN decide not to pursue exploration efforts, then RAVEN will cease
                to
                be the operator. In such a case, RAVEN will continue to hold its
                earned
                interest in the La Currita Groupings and all portions of this agreement
                shall remain in effect and binding on each party, but may be diluted
                out
                as outlined clause 7 above.

            

    

    

    
      	 	
              13.

            	
              Subject
                to any disclosure requirements as promulgated by the Securities and
                Exchange Commission, the parties agree to consult each other and
                agree on
                joint news releases in the event of any public disclosure. Furthermore,
                all news releases shall be jointly reviewed and released with the
                following format included at the beginning of each news release:
“CHICAGO,
                “Appropriate Date” (MARKETWIRE) - (Other OTC: TRGD.PK) Tara Gold Resources
                Corp. and Raven Gold Corp (“ABCI.PK”) Raven Resources is pleased to
                announce... This text may be revised by Tara at any
                time.

            

    

    

    
      	 	
              14.

            	
              Either
                party in the joint venture shall have first right of refusal on the
                sale
                of any portion of its interest in the La Currita Groupings to a third
                party for 30 days from the date of
                notification.

            

    

    

    Subject
      to any disclosure requirements as promulgated by the Securities and Exchange
      Commission, the parties agree to consult each other and agree on joint news
      releases in the event of any public disclosure.

    

    The
      parties mutually understand that, subject to the conditions contained herein,
      this letter constitutes a binding agreement.

    

    Please
      indicate your concurrence with the foregoing by affixing your signature below,
      and thereafter transmitting such executed copy in the manner heretofore
      described.

    

    

    DATED
      this May 30, 2006

    

    

    Per:  /s/
      Gary Haukeland 

    
      
        

      

    

    President

    Raven
      Gold Corp.

    16403-87th
      Street

    Osoyoos,
      B.C. Canada

    V0H
      1V2

     

    
      	DATED this May 30, 2006    	DATED
              this May 30, 2006
	
              Per: /s/ Francis R. Biscan Jr. 

              
                

              
Francis R. Biscan Jr.	
              Per: /s/ 

              
                

              
Ramiro Trevizo Ledesma
	
              President & CEO

              Tara Gold Resources Corp.     

            	
              President

              Amermin S.A. De
                C.V

            

    

    

       .

    

    
      
        
        

      

      
        4

        
          

        

      

      
        
        

      

    

    La
      Currita Property Payment Schedule

     

     

     

    

    
      	
              Date
                of Payment

            	 	
              Payment
                Amount (U.S.$)

            	 
	
              June
                25, 2006

            	 	
              $

            	
              50,000
                

            	 Paid
	
              July
                25, 2006

            	 	
              $

            	
              50,000
                

            	 Paid
	
              August
                25, 2006

            	 	
              $

            	
              50,000

            	 
	
              September
                25, 2006

            	 	
              $

            	
              50,000

            	 
	
              October
                25, 2006

            	 	
              $

            	
              50,000

            	 
	
              November
                25, 2006

            	 	
              $

            	
              50,000

            	 
	
              December
                25, 2006

            	 	
              $

            	
              50,000

            	 
	
              January
                25, 2007

            	 	
              $

            	
              50,000

            	 
	
              February
                25, 2007

            	 	
              $

            	
              50,000

            	 
	
              March
                25, 2007

            	 	
              $

            	
              50,000

            	 
	
              April
                25, 2007

            	 	
              $

            	
              50,000

            	 
	
              May
                25, 2007

            	 	
              $

            	
              25,000

            	 
	 	 	 	 	 
	
              Taxes
                Due on final payment

            	 	
              $

            	
              180,000

            	 
	 	 	 	 	 
	
              Total
                Property Payments

            	 	
              $

            	
              575,000.00

            	 

    

     

     

     

     

    

    5

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