Exhibit 4.2

   

  SPECIMEN CLASS A ORDINARY SHARE CERTIFICATE

   

  	NUMBER	SHARES


   

  EMERGING MARKETS HORIZON CORP.

  

  INCORPORATED UNDER THE LAWS OF THE
    CAYMAN ISLANDS

  

  CLASS A ORDINARY SHARES

   

  SEE REVERSE FOR

    CERTAIN DEFINITIONS

   

  CUSIP [ ]

   

  This Certifies that                                            is the owner of

   

  FULLY PAID AND NON-ASSESSABLE CLASS
    A ORDINARY SHARES OF THE PAR VALUE OF US$0.0001 EACH OF EMERGING MARKETS HORIZION CORP. (THE “COMPANY”)

   

  subject to the Company’s amended
    and restated memorandum and articles of association, as the same may be amended from time to time, and 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 redeem
    all of its Class A ordinary shares if it is unable to complete a business combination within the period set forth in the Company’s
    amended and restated memorandum and articles of association, as the same may be amended from time to time, all as more fully described
    in the Company’s final prospectus dated                             , 2021.

   

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

   

  Witness the facsimile signatures
    of its duly authorized officers.

   

  	Dated:	 	 


   

  

  	Chief Executive Officer	 	Cayman Islands	 	Chief Financial
          Officer	 
	 	 	 	 	 	 


   

  
     

    
      

    

  

   

  EMERGING MARKETS HORIZON CORP.

   

  The Company will furnish without charge to each shareholder
    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 memorandum and articles of association, as the same may be amended from time to time, and resolutions of the
    Board of Directors providing for the issue of Class A ordinary shares (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. 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)

           

          under Uniform Gifts to Minors Act

           

        
	JT TEN 	______	as joint tenants with the right of survivorship and not as tenants in common 	 	 	 	(State)
	 	 	 	 	 	 	 
	Additional abbreviations may also be used though not in the above list.


   

  
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  For value received,                                                         hereby sells, assigns and transfers unto

   

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

   

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

   

  Shares represented by the within Certificate,
    and does hereby irrevocably constitute and appoint Attorney to transfer the said shares on the books of the within named
    Company with full power of substitution in the premises.

   

  	Dated:	 	 	 
	 	 	 	Shareholder
	 	 	 	NOTICE: THE SIGNATURE(S) 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:

   

  By

   

  

  
  
     

  

  
   

  

  
  
     

  

  
   

  THE SIGNATURE(S) MUST 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 OR ANY SUCCESSOR RULE).

   

  In each case, as more fully described in the Company’s
    final prospectus dated                    , 2021, the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain
    funds held in the trust account established in connection with its initial public offering only in the event that (i) the Company
    redeems the Class A ordinary shares sold in its initial public offering and liquidates because it does not consummate an initial
    business combination within the period of time set forth in the Company’s amended and restated memorandum and articles of
    association, as the same may be amended from time to time, (ii) the Company redeems the Class A ordinary shares sold in its initial
    public offering in connection with a shareholder vote to amend the Company’s amended and restated memorandum and articles
    of association (A) that would modify the substance or timing of the Company’s obligation to provide holders of the Class
    A ordinary shares the right to have their shares redeemed in connection with the Company’s initial business combination or
    to redeem 100% of the Class A ordinary shares if the Company does not complete its initial business combination within the time
    period set forth therein or (B) with respect to any other provision relating to the rights of holders of the Class A ordinary shares,
    or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective Class A ordinary shares in connection with a tender
    offer (or proxy solicitation, solely in the event the Company seeks shareholder approval of the proposed initial business combination)
    setting forth the details of a proposed initial business combination. In no other circumstances shall the holder(s) have any right
    or interest of any kind in or to the trust account.

   

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