Document:

Specimen Series B Unit Certificate

 Exhibit 4.2 
  

					
	 NUMBER
  
 U-                    
	  	 	  	SERIES B UNITS
			
	SEE REVERSE FOR CERTAIN DEFINITIONS	  	MERCATOR PARTNERS ACQUISITION CORP.	  	 

  
 CUSIP
                                 
  
 SERIES B UNITS CONSISTING OF TWO SHARES OF CLASS B COMMON STOCK, ONE CLASS
W WARRANT TO PURCHASE ONE SHARE OF COMMON STOCK AND ONE CLASS Z WARRANT TO PURCHASE ONE SHARE OF COMMON STOCK 
  

					
	 THIS CERTIFIES THAT
	  	 	 	 

  

					
	 is the owner of
	  	 	  	Series B Units.

  
 Each Series B Unit (“Series B
Unit”) consists of two (2) shares of Class B common stock, par value $.0001 per share (“Class B Common Stock”), of Mercator Partners Acquisition Corp., a Delaware corporation (the “Company”), one (1) Class W Warrant (the
“Class W Warrant”) and one (1) Class Z Warrant (the “Class Z Warrant”). Each Class W Warrant and Class Z Warrant entitles the holder to purchase one (1) share of common stock, par value $.0001 per share (the “Common
Stock”) for $5.00 per share (subject to adjustment). Each Class W Warrant and Class Z Warrant will become exercisable on the later of (a) [            ], 2006 or (b) the earlier
of the Company’s completion of a business combination or the distribution of funds held by that certain trust fund on behalf of the holders of the Company’s Class B Common Stock. The Class W Warrants will expire unless exercised before
5:00 p.m., New York City time, on [            ], 2010, or earlier upon redemption, and the Class Z Warrants will expire unless exercised before 5:00 p.m., New York City time, on
[            ], 2012, or earlier upon redemption. The Class B Common Stock, Class W Warrants and Class Z Warrants comprising the Series B Units represented by this certificate are
not transferable separately prior to [            ], 2005, subject to earlier separation in the discretion of HCFP/Brenner Securities LLC. The terms of the Class W Warrants and the
Class Z Warrants are governed by a Warrant Agreement, dated as of [            ], 2005, between the Company and American Stock Transfer & Trust Company, as Warrant Agent (the
“Warrant Agreement”), and are subject to the terms and provisions contained therein, all of which terms and provisions the holder of this certificate consents to by acceptance hereof. Copies of the Warrant Agreement are on file at the
office of the Warrant Agent at 59 Maiden Lane, New York, New York 10038, and are available to any holder of Class W Warrants and Class Z Warrants on written request and without cost. 
  
 This certificate is not valid unless countersigned by the Transfer Agent and Registrar of the Company. 
  
 Witness the facsimile seal of the Company and the facsimile signature of its
duly authorized officers. 
  

							
	 By
	  	 	  	

	  	 
	 	  	 	  	  	 
	 	  	President	  	  	 Secretary

  

  
 Mercator Partners
Acquisition Corp. 
  
 The Company will furnish without charge
to each stockholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional or other special rights of each class of stock or series thereof of the Company and the qualifications, limitations, or
restrictions of such preferences and/or rights. 
  
 The following
abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: 
  

											
	 TEN COM –
	  	as tenants in common	  	UNIF GIFT MIN ACT-	  	 	  	Custodian	  	 
	 TEN ENT –
	  	as tenants by the entireties	  	 	  	(Cust)	  	 	  	(Minor)
	 JT TEN –
	  	as joint tenants with right of survivorship	  	 under Uniform Gifts to Minors

	 	  	and not as tenants in common	  	 Act_________________

	 	  	 	  	 	  	 (State)
	  	 

  
 Additional Abbreviations may also be
used though not in the above list. 
  
 For value received,
                                        
                     hereby sell, assign and transfer unto 
  

			
	 PLEASE INSERT SOCIAL SECURITY OR OTHER
 IDENTIFYING NUMBER OF ASSIGNEE
	  	 
	 	
	 	  	 

  

			
	 
	(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)
	 
	
	 
		
	 	 	Series B Units

  
 represented by the within
Certificate, and do hereby irrevocably constitute and appoint 
  

			
	 	 	Attorney

  
 to transfer the said Series B
Units on the books of the within named Company will full power of substitution in the premises. 
  
 Dated ____________________ 
  

					
	 	  	

	 	  	Notice:	  	The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change
whatever.

  

	
	Signature(s) Guaranteed:
	
	  
	THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE
GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15.Specimen Common Stock Certificate

 Exhibit 4.3 
  

			
	 NUMBER
	 	 SHARES          
  
 COMMON STOCK

  
 MERCATOR PARTNERS
ACQUISITION CORP. 
  
 INCORPORATED UNDER THE LAWS OF THE STATE
OF DELAWARE 
  
 CUSIP 
  

			
	 This
 certifies
 that
	 	 SEE REVERSE FOR    
 CERTAIN DEFINITIONS

  
 is the owner of 
  
 FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, PAR VALUE $.0001
PER SHARE, OF 
  
 MERCATOR PARTNERS ACQUISITION CORP.

  
 (hereinafter called the “Corporation”), transferable upon the
books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed. This certificate and the shares represented hereby are issued under and shall be subject to all the
provisions of the Certificate of Incorporation and By-Laws of the Corporation (copies of which are on file at the office of the Transfer Agent of the Corporation), to all of which the holder by acceptance hereof assents. 
  
 This certificate is not valid unless countersigned by the Transfer Agent.

  
 Witness the facsimile seal of the Corporation and the
facsimile signatures of its duly authorized officers. 
  
 Dated:

  

									
	 COUNTERSIGNED:
	  	By:	  	 	  	By:	  	 
					
	AMERICAN STOCK TRANSFER & TRUST COMPANY,	  	 	  	 	  	 	  	 
	as Warrant Agent	  	 	  	 	  	 	  	 
					
	Authorized Officer	  	 	  	SECRETARY	  	 	  	PRESIDENT

  
 MERCATOR PARTNERS
ACQUISITION CORP. 
 CORPORATE 
 SEAL 
 2005 
 DELAWARE 
 * 
  

  
 MERCATOR PARTNERS
ACQUISITION CORP. 
  
 The Corporation will furnish without
charge to each stockholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional, or other special rights or each class of stock or series thereof and the qualifications, limitations or
restrictions of such preferences and/or rights. 
  
 The following
abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: 
  

											
	 TEN COM –
	  	as tenants in common	  	UNIF GIFT MIN ACT -	  	 	  	Custodian	  	 
	 TEN ENT –
	  	as tenants by the entireties	  	 	  	(Cust)	  	 	  	(Minor)
	 JT TEN –
	  	as joint tenants with right of	  	 under Uniform Gifts to Minors

	 	  	survivorship and not as tenants	  	 Act_________________

	 	  	in common	  	 	  	 (State)
	  	 

  
 Additional
abbreviations may also be used though not in the above list. 
  
 For value received,                      hereby sell, assign and transfer unto 
  

			
	 PLEASE INSERT SOCIAL SECURITY OR OTHER
     IDENTIFYING NUMBER OF ASSIGNEE
	 	 
		
	 	 	 
		
	(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)	 	 
		
	 	 	 
		
	 	 	 
		
	 	 	 shares of

	
	 the capital stock represented by the within Certificate; and do hereby irrevocably constitute and
appoint________________________

		
	 	 	 Attorney

		
	 to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises.
	 	 
		
	 Dated
                    
	 	 

  

			
	 	 	  

	 NOTICE:
	 	 THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS

	 	 	 WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR,

	 	 	 WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.

  
 Under no circumstances shall the
holder of this certificate have any right or interest of any kind in or to the funds held in that certain trust fund established on behalf of the holders of the Corporation’s Class B common stock.Specimen Class B Common Stock Certificate

 Exhibit 4.4 
  

			
	 NUMBER
	 	 SHARES           
  
 CLASS B          
 COMMON STOCK

  
 MERCATOR PARTNERS
ACQUISITION CORP. 
  
 INCORPORATED UNDER THE LAWS OF THE STATE
OF DELAWARE 
  
 CUSIP 
  

			
	 This
 certifies
 that
	 	 SEE REVERSE FOR    
 CERTAIN DEFINITIONS

  
 is the owner of 
  
 FULLY PAID AND NON-ASSESSABLE SHARES OF THE CLASS B COMMON STOCK, PAR VALUE

 $.0001 PER SHARE, OF 
  
 MERCATOR PARTNERS ACQUISITION CORP. 
  
 (hereinafter called the “Corporation”), transferable upon the books of the Corporation by the holder hereof in person or by duly authorized attorney upon
surrender of this certificate properly endorsed. This certificate and the shares represented hereby are issued under and shall be subject to all the provisions of the Certificate of Incorporation and By-Laws of the Corporation (copies of which are
on file at the office of the Transfer Agent of the Corporation), to all of which the holder by acceptance hereof assents. 
  
 This certificate is not valid unless countersigned by the Transfer Agent. 
  
 Witness the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. 
  
 Dated: 
  

									
	 COUNTERSIGNED:
	  	By:	  	 	  	By:	  	 
					
	 AMERICAN STOCK TRANSFER & TRUST COMPANY,
	  	 	  	 	  	 	  	 
	as Transfer Agent	  	 	  	 	  	 	  	 
					
	Authorized Officer	  	 	  	SECRETARY	  	 	  	PRESIDENT

  
 MERCATOR PARTNERS
ACQUISITION CORP. 
 CORPORATE 
 SEAL 
 2005 
 DELAWARE 
 * 
  

  
 MERCATOR PARTNERS
ACQUISITION CORP. 
  
 The Corporation will furnish without
charge to each stockholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional, or other special rights or each class of stock or series thereof and the qualifications, limitations or
restrictions of such preferences and/or rights. 
  
 The following
abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: 
  

											
	 TEN COM –
	  	as tenants in common	  	UNIF GIFT MIN ACT-	  	 	  	Custodian	  	 
	 TEN ENT –
	  	as tenants by the entireties	  	 	  	(Cust)	  	 	  	(Minor)
	 JT TEN –
	  	as joint tenants with right of	  	 under Uniform Gifts to Minors

	 	  	survivorship and not as tenants	  	 Act_________________

	 	  	in common	  	 	  	 (State)
	  	 

  
 Additional
abbreviations may also be used though not in the above list. 
  
 For value received,                              hereby sell, assign and transfer unto

  

			
	 PLEASE INSERT SOCIAL SECURITY OR OTHER
     IDENTIFYING NUMBER OF ASSIGNEE
	 	 
		
	 	 	 
		
	(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)	 	 
		
	 	 	 
		
	 	 	 
		
	 	 	 shares of

	
	 the capital stock represented by the within Certificate; and do hereby irrevocably constitute and
appoint________________________

		
	 	 	 Attorney

		
	 to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises.
	 	 
		
	 Dated
                    
	 	 

  

			
	 	 	  

	 NOTICE:
	 	 THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS

	 	 	 WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR,

	 	 	 WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.

  
 THE HOLDER OF THIS CERTIFICATE SHALL
BE ENTITLED TO RECEIVE FUNDS FROM THAT CERTAIN TRUST FUND ESTABLISHED ON BEHALF OF THE HOLDERS OF THE CORPORATION’S CLASS B COMMON STOCK ONLY IN THE EVENT THAT THE CORPORATION IS UNABLE TO COMPLETE A BUSINESS COMBINATION OR IF THE HOLDER SEEKS
TO CONVERT HIS OR HER RESPECTIVE SHARES INTO CASH UPON A BUSINESS COMBINATION WHICH HE OR SHE VOTED AGAINST AND WHICH IS ACTUALLY COMPLETED BY THE CORPORATION. IN NO OTHER EVENT SHALL THE HOLDER HAVE ANY RIGHT OR INTEREST OF ANY KIND IN OR TO THE
TRUST FUND.

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