EX-4.2



 Exhibit 4.2 

SPECIMEN ORDINARY SHARE CERTIFICATE 
  

			
	NUMBER        	  	SHARES

 IRON HORSE ACQUISITION 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 $0.0001 
 EACH OF 

IRON HORSE 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 a business combination within the period of time as 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
                     , 2018 

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 director. 

Dated:                     
            
 [Corporate Seal] 

 

			
		 	  

CHAIRMAN


  
  







 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 and not as tenants in common	  		  	under Uniform Gifts to 
Minors
		  		  		  	Act	  	 	  	 
		  		  		  		  	(State)

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

IRON HORSE ACQUISITION 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 and all amendments thereto 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. 
 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 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(s) of this certificate shall be entitled to receive a
pro-rata portion of the funds from the trust account only in the event that (i) the Company is forced to liquidate 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 (the “Charter”) or (ii) if the holder seeks to convert his shares upon consummation of, or sell
his shares in a tender offer in connection with, an initial business combination or in connection with certain amendments to the Charter. In no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust
account.