EX-4.2





 Exhibit 4.2 

NUMBER 
  

					
		  		  	 NUMBER
 C

SHARES
 SEE REVERSE FOR

CERTAIN
 DEFINITIONS

CUSIP


 CRUCIBLE ACQUISITION CORP. III 

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE 

CLASS A COMMON STOCK 
  

			
	This Certifies that	 	  

		
	is the owner of	 	  


 FULLY PAID AND NON-ASSESSABLE SHARES OF CLASS A COMMON STOCK OF THE PAR VALUE OF
$0.0001 EACH OF 
 CRUCIBLE ACQUISITION CORP. III 

(THE “COMPANY”) 
 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 shares of Class A common stock if it is unable to complete a business combination by                 , 2023, or by such later date approved by the
Company’s stockholders in accordance with the Company’s amended and restated certificate of incorporation, 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.

  

					
	[Title]	  	 [Corporate Seal]

Delaware
	  	[Title]
	  
	  		  	  














 CRUCIBLE ACQUISITION CORPORATION 

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 stock 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 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	 	  

	  
 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. 

For value received,                      hereby
sell(s), assign(s) and transfer(s) 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 of the capital stock represented by the within
Certificate, and do(es) hereby irrevocably constitutes and appoints 
  
  

Attorney to transfer the said stock on the books of the within named Company with full power of substitution in the premises. 

Dated: 
       

 
 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) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED). 












 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 the Company’s initial public offering only in the event that (i) the Company redeems the shares of Class A Common Stock sold in its initial public offering and liquidates because it
does not consummate an initial business combination by                 , 2023, or by such later date approved by the Company’s stockholders in accordance with the
Company’s amended and restated certificate of incorporation, (ii) the Company redeems the shares of Class A Common Stock sold in its initial public offering in connection with a stockholder vote to amend the Company’s amended and
restated certificate of incorporation (A) to modify the substance or timing of the Company’s obligation to allow redemption in connection with the Company’s initial business combination or to redeem 100% of the shares of Class A
Common Stock sold in its initial public offering if it does not complete its initial business combination by                 , 2023, or (B) with respect to any
other provision relating to the holder(s) rights or pre-initial business combination activity, or (iii) if the holder(s) seek(s) to redeem for cash his, her, its or their respective shares of Class A
Common Stock in connection with a tender offer (or proxy solicitation, solely in the event the Company seeks stockholder 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.