Exhibit 4.2


 


	NUMBER C-	 	
         

        _________ SHARES

        SEE REVERSE FOR CERTAIN DEFINITIONS

         

        CUSIP G1686P 106



 


BULL HORN HOLDINGS CORP.

INCORPORATED UNDER THE LAWS OF THE BRITISH VIRGIN ISLANDS

ORDINARY SHARES


 


This Certifies that is the owner of


 


FULLY PAID AND NON-ASSESSABLE ORDINARY
SHARES OF NO PAR VALUE OF EACH OF


 


BULL HORN HOLDINGS 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 ordinary shares if it is unable to complete a business combination by            ,
2022 all as more fully described in the Company’s final prospectus dated          ,
2020.


 


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.


 


	Chief Executive Officer	 	Secretary
	 	 	 


  


	CONTINENTAL STOCK TRANSFER

& TRUST COMPANY	 	 
	 	 	 
	Name:	 	 
	Title:	 	 


 




     


     


    

 


BULL HORN HOLDINGS 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 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 securities (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	 	 
	 	 	 	 	 	 	 	 	 	 	(Cust)	 	 	 	(Minor)
	TEN ENT	 	—	 	as tenants by the entireties	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 	 	Under Uniform Gifts to Minors 
	 	 	 	 	 	 	 	 	 	 	 
	JT TEN	 	—	 	as joint tenants with right of survivorship and not as tenants in common	 	 	 	 	 	
        Act                         
                         ______(State)



 


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


 


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 hereby irrevocably constitutes and appoints___________________
	 
	Attorney to transfer the said shares on the books of the within named Company with full power of substitution in the premises.
	 	 	 
	Dated:	                                         	 


 




    2


     


    

 


	
        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 UNDER THE SECURITIES ACT OF 1933, AS AMENDED).


 


In each case, as more fully described in
the Company’s final prospectus dated           , 2020, 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 ordinary shares sold in its initial public
offering and liquidates because it does not consummate an initial business combination by            ,
2022, (ii) the Company redeems 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 (as the same may be amended from time to
time) to modify the substance and timing of the Company’s obligation to redeem 100% of the ordinary shares if it does not
consummate and initial business combination by            , 2022, or (iii) if
the holder(s) seek(s) to redeem for cash his, her or its respective 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.


 


 


3