Document:

Exhibit
4.2

 

SPECIMEN
CLASS A COMMON STOCK CERTIFICATE

 

	CERTIFICATE
    NUMBER

                                                                     ________

    
	SHARES
    

 

UNSDG
ACQUISITION CORP. 

 

INCORPORATED
UNDER THE LAWS OF THE STATE OF DELAWARE

 

CLASS
A COMMON STOCK

 

SEE
REVERSE FOR

CERTAIN DEFINITIONS

 

	THIS
    CERTIFIES THAT	CUSIP:
    90312P 108 
	 	 
	IS
    THE OWNER OF 	 

 

FULLY
PAID AND NON-ASSESSABLE SHARES OF PAR VALUE $0.0001 EACH OF CLASS A

COMMON STOCK OF

 

UNSDG
ACQUISITION CORP. 

 

transferable
on the books of the Company in person or by duly authorized

attorney upon surrender of this certificate properly endorsed.

 

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

 

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

 

Dated:

 

	 	 	 
	Chairman
    	 	Chief
    Financial Officer

 

UNSDG
ACQUISITION CORP.

CORPORATE SEAL

 

2021

DELAWARE

 

    	 

     

    

 

UNSDG
ACQUISITION CORP.

 

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 of common stock represented thereby are issued and shall be held subject
to all the provisions of the amended and restated certificate of incorporation and all amendments thereto and resolutions of the Board
of Directors providing for the issuance 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

TEN
ENT - as tenants by the entireties

JT
TEN - as joint tenants with right of survivorship

                              and not as tenants in common

 

	UNIF GIFT MIN ACT -	 	 Custodian 	 	 
	 	(Cust)	 	(Minor)	 
	 	under Uniform Gifts to Minors	 

	 	Act		
	 	 	(State)	 

 

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

 

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) 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).

 

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 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 [•], 2023 (or such later date as
the Company’s amended and restated certificate of incorporation may be amended to provide for), (ii) the Company offers to redeem
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 ability of holders of Class A common stock
sold in the Company’s initial public offering to seek redemption in connection with the Company’s initial business combination
or the Company’s obligation to redeem 100% of such common stock if it does not consummate an initial business combination by [•],
2023 or (B) with respect to any other provision relating to stockholders’ rights or pre-initial business combination activity,
and the holder(s) of this certificate elects to have the shares of Common Stock held by him, her or it redeemed pursuant to that offer,
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 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.Exhibit
4.3

 

SPECIMEN
WARRANT CERTIFICATE

 

	NUMBER	 	[     ]
    WARRANTS
	WA-	 	 

 

(THIS
WARRANT WILL BE VOID IF NOT EXERCISED

PRIOR
TO THE EXPIRATION OF THE EXERCISE

PERIOD
PROVIDED FOR IN THE WARRANT

AGREEMENT
DESCRIBED BELOW)

 

UNSDG
ACQUISITION CORP.

Incorporated
Under the Laws of the State of Delaware

 

CUSIP
90312P 116 

 

WARRANT

 

THIS
WARRANT CERTIFIES THAT, for value received                            , or registered agents, is the registered holder of a Warrant or Warrants (the “Warrant”),
expiring on a date which is five (5) years from the completion of the Company’s initial business combination, to purchase one (1)
share of Class A common stock, $0.0001 par value per share (“Common Stock”), of UNSDG Acquisition Corp. (the “Company”),
for each whole Warrant evidenced by this Warrant Certificate. This Warrant Certificate is subject to and shall be interpreted under the
terms and conditions of the Warrant Agreement (as defined below).

 

The
Warrant entitles the holder thereof to purchase from the Company, from time to time, in whole or in part, commencing on the later to
occur of (i) thirty (30) days after the Company’s completion of a merger, share exchange, asset acquisition, share purchase, recapitalization,
reorganization or other similar business combination with one or more businesses or entities, or (ii) eighteen (18) months from the closing
of the Company’s initial public offering, and, such number of fully paid and non-assessable shares of Class A Common Stock (“Warrant
Shares”) at the price of $11.50 per full share (the “Warrant Price”), upon surrender of this Warrant Certificate and
payment of the Warrant Price at the office or agency of Continental Stock Transfer & Trust Company (the “Warrant Agent”),
such payment to be made subject to the conditions set forth herein and in the Warrant Agreement, dated [●], 2021, between the Company
and the Warrant Agent (the “Warrant Agreement”).

 

Each
whole Warrant is initially exercisable for one fully paid and non-assessable share of Common Stock. No fractional shares will be issued
upon exercise of any Warrant. If, upon the exercise of Warrants, a holder would be entitled to receive a fractional interest in a share
of Common Stock, the Company will, upon exercise, round down to the nearest whole number the number of shares of Common Stock to be issued
to the Warrant holder. In no event shall the registered holder(s) of this Warrant be entitled to receive a net-cash settlement in lieu
of physical settlement in Warrant Shares of the Company. The Warrant Agreement provides that, upon the occurrence of certain events,
the Warrant Price and the number of Warrant Shares purchasable hereunder, set forth on the face hereof, may be adjusted, subject to certain
conditions. The term Warrant Price as used in this Warrant Certificate refers to the price per full Warrant Share at which Warrant Shares
may be purchased at the time the Warrant is exercised.

 

This
Warrant will expire on the date referenced above if it is not exercised prior to such date by the registered holder pursuant to the terms
of the Warrant Agreement or if it is not redeemed by the Company prior to such date.

 

Upon
any exercise of the Warrant for less than the total number of full Warrant Shares provided for herein, there shall be issued to the registered
holder(s) hereof or its assignee(s) a new Warrant Certificate covering the number of Warrant Shares for which the Warrant has not been
exercised.

 

Warrant
Certificates, when surrendered at the office or agency of the Warrant Agent by the registered holder(s) hereof in person or by attorney
duly authorized in writing, may be exchanged in the manner and subject to the limitations provided in the Warrant Agreement, but without
payment of any service charge, for another Warrant Certificate or Warrant Certificates of like tenor and evidencing in the aggregate
a like number of Warrants.

 

    	 

    	 

    

 

Upon
due presentment for registration of transfer of the Warrant Certificate at the office or agency of the Warrant Agent, a new Warrant Certificate
or Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee(s)
in exchange for this Warrant Certificate, subject to the limitations provided in the Warrant Agreement, without charge except for any
applicable tax or other governmental charge.

 

The
Company and the Warrant Agent may deem and treat the registered holder(s) as the absolute owner(s) of this Warrant Certificate (notwithstanding
any notation of ownership or other writing hereon made by anyone) for the purpose of any exercise hereof, of any distribution to the
registered holder(s), and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the
contrary.

 

This
Warrant does not entitle the registered holder(s) to any of the rights of a stockholder of the Company.

 

After
the Warrant becomes exercisable and prior to its expiration date, the Company reserves the right to call the Warrant at any time, with
a notice of call in writing to the holder(s) of record of the Warrant, giving thirty (30) days’ written notice of such call if
the last reported sale price of the Common Stock has been equal to or greater than $18.00 per share (as adjusted for stock splits, stock
dividends, reorganizations, recapitalizations and the like) for any twenty (20) trading days within a thirty (30) trading day period
ending on the third (3rd) trading day prior to the date on which notice of such call is given, provided that (i) a registration statement
under the Securities Act of 1933, as amended (the “Act”) with respect to the shares of Common Stock underlying the Warrants
issuable upon exercise must be effective and a current prospectus must be available for use by the registered holders hereof or (ii)
the Warrants may be exercised on cashless basis as set forth in the Warrant Agreement and such cashless exercise is exempt from registration
under the Act. The call price is $0.01 per Warrant.

 

If
the foregoing conditions are satisfied and the Company calls the Warrant for redemption, each holder will then be entitled to exercise
his, her or its Warrant prior to the date scheduled for redemption; provided that the Company may require the Registered Holder who desires
to exercise the Warrant, to elect cashless exercise as set forth in the Warrant Agreement, and such Registered Holder must exercise the
Warrants on a cashless basis if the Company so requires. Any Warrant either not exercised or tendered back to the Company by the end
of the date specified in the notice of call shall be canceled on the books of the Company and have no further value except for the $0.01
call price.

 

COUNTERSIGNED:

CONTINENTAL
STOCK TRANSFER & TRUST COMPANY

WARRANT
AGENT

 

BY:________________________________

AUTHORIZED
OFFICER

 

DATED:_____________________________

 

(Signature)

CHIEF
EXECUTIVE OFFICER

 

(Seal)

 

(Signature)

SECRETARY

 

    	 

    	 

    

 

[REVERSE
OF CERTIFICATE]

 

SUBSCRIPTION
FORM

 

To
Be Executed by the Registered Holder(s) in Order to Exercise Warrants

 

The
undersigned hereby irrevocably elects to exercise the right, represented by this Warrant Certificate, to receive              shares of Class A Common
Stock in accordance with the terms of this Warrant Certificate and pursuant to the method selected below. Capitalized terms used herein
and not otherwise defined have the respective meanings set forth in the Warrant Certificate. PLEASE CHECK ONE METHOD OF PAYMENT:

 

	 	 	 
	 	a
    “Cash Exercise” with respect to              Warrant Shares; and/or
	 	 	 
	 	 	 
	 	a
    “Cashless Exercise” with respect to               Warrant Shares because on the date of this exercise, there is no effective
    registration statement registering the Warrant Shares, or the prospectus contained therein is not available for the resale of the
    Warrant Shares, in which event the Company shall deliver to the registered holder(s)               shares of Common Stock pursuant to Sections
    3.3.1 and 7.4 of the Warrant Agreement.

 

The
undersigned requests that a certificate for such shares of Common Stock be registered in the name(s) of:

 

	 

	(PLEASE
    TYPE OR PRINT NAME(S) AND ADDRESS)
	 
	 

	 
	 

	(SOCIAL
    SECURITY OR TAX IDENTIFICATION NUMBER(S))

 

	and
    be delivered to	 	 

	 	 	(PLEASE
    PRINT OR TYPE NAME(S) AND ADDRESS)

 

and,
if such number of Warrants shall not be all the Warrants evidenced by this Warrant Certificate, that a new Warrant Certificate for the
balance of such Warrants be registered in the name of, and delivered to, the registered holder(s) at the address(es) stated below:

 

Dated:

 

	 

	(SIGNATURE(S))
	 
	 

	 
	 

(ADDRESS(ES))

	 
	 

	(TAX
    IDENTIFICATION NUMBER(S))

 

    	 

    	 

    

 

ASSIGNMENT

 

To
Be Executed by the Registered Holder in Order to Assign Warrants

 

For
Value Received,                                hereby
sell(s), assign(s), and transfer(s) unto

 

	 
	 
	(PLEASE
    TYPE OR PRINT NAME(S) AND ADDRESS(ES))	 
	 	 
	 
	 
	 	 
	 
	 
	 	 
	 
	 

(SOCIAL
SECURITY OR TAX IDENTIFICATION NUMBER(S))

 

	and
    to be delivered to	 	 
	 
	 	 	(PLEASE
    PRINT OR TYPE NAME(S) AND ADDRESS(ES))	 
	 	 
	 
	 
	 	 
	 
	 

(SOCIAL
SECURITY OR TAX IDENTIFICATION NUMBER(S))

 

of
the Warrants represented by this Warrant Certificate, and hereby irrevocably constitute and appoint              Attorney to transfer this Warrant
Certificate on the books of the Company, with full power of substitution in the premises.

 

Dated:

 

	 

	(SIGNATURE(S))

 

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).

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