Exhibit 4.2


 


	NUMBER	 	SHARES


 


C ______


 


ATLANTIC ACQUISITION
CORP.


 


INCORPORATED UNDER
THE LAWS OF THE STATE OF DELAWARE


 


COMMON STOCK


 


SEE REVERSE FOR

CERTAIN DEFINITIONS


 


CUSIP


 


This Certifies that


 


is the owner of


 


FULLY PAID AND NON-ASSESSABLE
SHARES OF COMMON STOCK OF


 


ATLANTIC ACQUISITION
CORP.


 


transferable on the
books of the Company in person or by duly authorized attorney upon surrender of this certificate properly endorsed. 


The Company will be
forced to liquidate if it is unable to complete an initial business combination within the meaning as defined in and the time period
as required by its Amended and Restated Certificate of Incorporation, as the same may be amended from time to time.

This certificate is not valid unless countersigned by the Transfer Agent and registered by the Registrar.

Witness the facsimile seal of the Company and the facsimile signatures of its duly authorized officers.


 


[Corporate Seal]


 


Dated:


 


	 	 	 
	CHAIRMAN	 	SECRETARY


 




    	 	 	 



     


    

 


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.


 


Atlantic Acquisition
Corp.


 


The Company will furnish
without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional
or other special rights of each class of shares or series thereof of the Company and the qualifications, limitations, or restrictions
of such preferences and/or rights. This certificate and the shares represented thereby are issued and shall be held subject to
all the provisions of the Company’s Amended and Restated Certificate of Incorporation and all amendments thereto and resolutions
of the Board of Directors providing for the issue of preferred stock (copies of which may be obtained from the secretary of the
Company), to all of which the holder of this certificate by acceptance hereof assents.


 


For value received, ___________________________
hereby sell(s), assign(s) and transfer(s) unto


 


PLEASE INSERT SOCIAL SECURITY OR OTHER


IDENTIFYING NUMBER OF ASSIGNEE(S)


 


	
         

         
	 


 


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


 


	 	shares


of common 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 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).


 


The holder of this certificate shall be entitled to receive
funds from the trust account only in the event of the Company’s liquidation upon failure to consummate a business combination
within the required time period set forth in the Company’s Amended and Restated Certificate of Incorporation as the same
may be amended from time to time, or if the holder seeks to convert his or her shares of common stock upon consummation of a business
combination or in connection with certain amendments to the Company’s Amended and Restated Certificate of Incorporation.
In no other circumstances shall the holder have any right or interest of any kind in or to the trust account.