Exhibit 4.2


 


NUMBER


C-


 


SHARES


 


SEE
REVERSE FOR CERTAIN DEFINITIONS


 


CUSIP
629070 103


 


NEBULA
CARAVEL ACQUISITION CORP.


 


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 THE PAR VALUE OF $0.0001 EACH OF THE CLASS A COMMON STOCK OF


 


NEBULA
CARAVEL ACQUISITION CORP.


 


(THE
“CORPORATION”)


 


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


 


The
Corporation will be forced to offer to redeem of all its shares of Class A common stock in connection with an initial business
combination or to redeem all of its shares of Class A common stock if it is unable to complete a business combination by            ,
2022 (unless extended pursuant to the Corporation’s Certificate of Incorporation as in effect at such time), all as more
fully described in the Corporation’s final prospectus dated            ,
2020.


 


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


 


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


 


	 	 	 	 	 
	Secretary	 	[Corporate Seal]
    Delaware	 	Chief Executive Officer


 



     


     


    

 


NEBULA
CARAVEL ACQUISITION CORP.


 


The
Corporation 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 Corporation 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 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 Corporation),
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 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
of the capital stock represented by the within Certificate, and hereby irrevocably constitutes and appoints


 


Attorney
to transfer the said stock on the books of the within named Corporation with 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:


 


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 Corporation’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 Corporation redeems the shares of Class
A common stock sold in the Company’s initial public offering and liquidates because it does not consummate an initial business
combination by             , 2022 (or such later date if such period
is extended pursuant to the Company’s Certificate of Incorporation as in effect at such time), (ii) the Corporation redeems
the shares of Class A common stock sold in its initial public offering in connection with a stockholder vote to amend the Corporation’s
amended and restated certificate of incorporation to modify the substance or timing of the Corporation’s obligation to redeem
100% of the Class A common stock if it does not consummate an initial business combination by             
, 2022 (or such later date if such period is extended pursuant to the Company’s Certificate of Incorporation as in effect
at such time) or with respect to any other material provisions relating to stockholders’ rights of pre-initial business
combination activity, or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective shares of Class A common
stock in connection with a tender offer (or proxy solicitation, solely in the event the Corporation 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.