exv4w1



 






Exhibit 4.1




SPECIMEN UNIT CERTIFICATE




			
	 	 	 
	NUMBER:       
               
                
  
	 	UNITS:     
             
                
      -U


        SEE REVERSE FOR

        CERTAIN DEFINITIONS






JK ACQUISITION CORP.





CUSIP: 47759H 20 5





UNIT




UNITS CONSISTING OF ONE SHARE OF COMMON STOCK AND TWO

WARRANTS EACH TO PURCHASE ONE SHARE OF COMMON STOCK




     THIS CERTIFIES THAT                                          is the owner of          
           
                    Units.



     Each Unit (“Unit”) consists of one (1) share of common stock, par value $0.0001
per share (“Common Stock”), of JK Acquisition Corp., a Delaware corporation (the
“Company”), and two warrants (the “Warrants”). Each Warrant entitles the holder to
purchase one (1) share of Common Stock for $5.00 per share (subject to adjustment). Each Warrant
will become exercisable on the later of (i) the Company’s completion of a merger, capital stock
exchange, asset acquisition or other similar business combination or
(ii)
                     ,
2007 and will expire unless exercised before 5:00 p.m., New York City
local time, on                             , 2010, or earlier upon redemption (the “Expiration Date”). The Common
Stock and Warrants comprising the Units represented by this certificate are not transferable
separately prior to
                            , 2006, subject to earlier separation in the
discretion of Ferris, Baker Watts, Incorporated. The terms of the Warrants are governed by a
Warrant Agreement, dated as of
                            , 2006, between the Company and
Continental Stock Transfer & Trust Company, as Warrant Agent, 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 17 Battery Place, New York, New York 10004, and are available to any Warrant
holder upon 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.



	 
	Dated:                                        







			
	 	 	 
	 	 	 
	 	 	 
	 

Chief Executive Officer
	 	 

Secretary






 









 





JK ACQUISITION CORP.

CORPORATE SEAL

2005

DELAWARE




 









 





JK 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

“TEN ENT” — as tenants by the entireties

“JT TEN” — as joint tenants with right of survivorship and not as tenants in common

“UNIF GIFT MIN ACT” —                                          Custodian
                    
                   



                                      (Cust)
                                       (Minor)


                under Uniform Gifts to Minors Act                                          (State)



     Additional Abbreviations may also be used though not in the above list.



     For value received,                                          hereby sell, assign and transfer unto






 




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







 




(PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE)






                                         Units represented by the within Certificate, and do hereby
irrevocably constitute and appoint                                          attorney to transfer the
said 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).