Document:

Exhibit 4.2

 

	 	NUMBER 
	 	C
	 	SHARES
	 	SEE REVERSE FOR
	 	CERTAIN DEFINITIONS
	 	CUSIP [●]

 

GEF ACQUISITION CORPORATION

INCORPORATED UNDER THE LAWS OF THE CAYMAN
ISLANDS

CLASS A ORDINARY SHARE

 

	This Certifies that	 
	  	 
	is the owner of	 

 

FULLY PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $.0001
EACH OF THE CLASS A ORDINARY SHARES OF

 

GEF ACQUISITION CORPORATION

(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 Class A Ordinary
Shares if it is unable to complete a business combination by the date 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 __________.

 

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.

 

	 	 	[Corporate Seal]	 	 
	Secretary	 	Cayman Islands	 	President 

 

     

     

    

 

GEF ACQUISITION CORPORATION

 

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 equity 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 memorandum
and articles of association of the Company 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	 	under Uniform Gifts to Minors
	 	 	of survivorship and not as tenants in common	 

 

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))

 

	 
	 
	 

Class A Ordinary Shares represented by the within Certificate,
and do hereby irrevocably constitutes and appoints

	 

 

Attorney to transfer the said Class A Ordinary Shares 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).

 

In each case, as more fully described in the Company’s
final prospectus dated __________, 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 the Company redeems
the Class A Ordinary Shares sold in its initial public offering and liquidates because it does not consummate an initial business
combination within the time period set forth in the Company’s Amended and Restated Memorandum and Articles of Association,
as the same may be amended from time to time, or if the holder(s) seek(s) to redeem for cash his, her or its respective Class A
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.Exhibit 4.3

 

[Form of Warrant Certificate]

 

[FACE]

 

Number

 

Warrants

 

	 	 	 	 

 

THIS WARRANT SHALL BE VOID IF NOT EXERCISED
PRIOR TO 

THE EXPIRATION OF THE EXERCISE PERIOD PROVIDED FOR IN THE 

WARRANT AGREEMENT DESCRIBED BELOW

 

GEF ACQUISITION CORPORATION

Incorporated Under the Laws of the Cayman
Islands

 

CUSIP [•]

 

Warrant Certificate

 

This Warrant Certificate certifies that ___________________,
or registered assigns, is the registered holder of _____________ warrants (the “Warrants”) to purchase
Class A Ordinary Shares, $.0001 par value (the “Ordinary Shares”), of GEF Acquisition Corporation, a Cayman
Islands exempted company (the “Company”). Each Warrant entitles the holder, upon exercise during the period
set forth in the Warrant Agreement referred to below, to receive from the Company that number of fully paid and nonassessable Ordinary
Shares (each, a “Warrant”) as set forth below, at the exercise price (the “Exercise Price”)
as determined pursuant to the Warrant Agreement, payable in lawful money (or through “cashless exercise” as provided
for in the Warrant Agreement) of the United States of America upon surrender of this Warrant Certificate and payment of the Exercise
Price at the office or agency of the Warrant Agent referred to below, subject to the conditions set forth herein and in the Warrant
Agreement. Defined terms used in this Warrant Certificate but not defined herein shall have the meanings given to them in the Warrant
Agreement.

 

Each Warrant is initially exercisable for
one fully paid and non-assessable Ordinary Share. The number of the Ordinary Shares issuable upon exercise of the Warrants is subject
to adjustment upon the occurrence of certain events set forth in the Warrant Agreement.

 

The initial Exercise Price per Ordinary
Share for any Warrant is equal to $11.50 per share. The Exercise Price is subject to adjustment upon the occurrence of certain
events set forth in the Warrant Agreement.

 

Subject to the conditions set forth in the
Warrant Agreement, the Warrants may be exercised only during the Exercise Period and to the extent not exercised by the end of
such Exercise Period, such Warrants shall become void.

Reference is hereby made to the further
provisions of this Warrant Certificate set forth on the reverse hereof and such further provisions shall for all purposes have
the same effect as though fully set forth at this place.

 

This Warrant Certificate shall not be valid
unless countersigned by the Warrant Agent, as such term is used in the Warrant Agreement.

 

This Warrant Certificate shall be governed
and construed in accordance with the internal laws of the State of New York, without regard to conflicts of laws principles thereof.

 

     

     

    

 

	 	GEF ACQUISITION CORPORATION
	 	 	 	 
	 	By:	 
	 	 	Name:	 
	 	 	Title:	 
	 	 	 	 
	 	CONTINENTAL STOCK TRANSFER & TRUST
	 	COMPANY as Warrant Agent
	 	 	 	 
	 	By:	 
	 	 	Name:	 
	 	 	Title:	 

 

     

     

    

  

[Form of Warrant Certificate]

 

[Reverse]

 

The Warrants evidenced by this Warrant Certificate
are part of a duly authorized issue of Warrants entitling the holder on exercise to receive Ordinary Shares and are issued or to
be issued pursuant to a Warrant Agreement dated as of ___________ (the “Warrant Agreement”), duly executed
and delivered by the Company to Continental Stock Transfer & Trust Company, a New York corporation, as warrant agent (the “Warrant
Agent”), which Warrant Agreement is hereby incorporated by reference in and made a part of this instrument and is hereby
referred to for a description of the rights, limitation of rights, obligations, duties and immunities thereunder of the Warrant
Agent, the Company and the holders (the words “holders” or “holder” meaning
the Registered Holders or Registered Holder) of the Warrants. A copy of the Warrant Agreement may be obtained by the holder hereof
upon written request to the Company. Defined terms used in this Warrant Certificate but not defined herein shall have the meanings
given to them in the Warrant Agreement.

 

Warrants may be exercised at any time during
the Exercise Period set forth in the Warrant Agreement. The holder of Warrants evidenced by this Warrant Certificate may exercise
them by surrendering this Warrant Certificate, with the form of election to purchase set forth hereon properly completed and executed,
together with payment of the Exercise Price as specified in the Warrant Agreement (or through “cashless exercise” as
provided for in the Warrant Agreement) at the principal corporate trust office of the Warrant Agent. In the event that upon any
exercise of Warrants evidenced hereby the number of Warrants exercised shall be less than the total number of Warrants evidenced
hereby, there shall be issued to the holder hereof or his, her or its assignee, a new Warrant Certificate evidencing the number
of Warrants not exercised. No adjustment shall be made for any dividends on any of the Ordinary Shares issuable upon exercise of
this Warrant.

 

Notwithstanding anything else in this Warrant
Certificate or the Warrant Agreement, no Warrant may be exercised unless at the time of exercise (i) a registration statement covering
the Ordinary Shares to be issued upon exercise is effective under the Securities Act and (ii) a prospectus thereunder relating
to the Ordinary Shares is current, except through “cashless exercise” as provided for in the Warrant Agreement.

 

The Warrant Agreement provides that upon
the occurrence of certain events the number of Ordinary Shares issuable upon the exercise of the Warrants set forth on the face
hereof may, subject to certain conditions, be adjusted.

 

Warrant Certificates, when surrendered at
the principal corporate trust office of the Warrant Agent by the Registered Holder thereof in person or by legal representative
or 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 evidencing
in the aggregate a like number of Warrants.

 

Upon due presentation for registration of
transfer of this Warrant Certificate at the office 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 tax or other governmental
charge imposed in connection therewith.

 

The Company and the Warrant Agent may deem
and treat the Registered Holder(s) thereof 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 holder(s)
hereof, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary.
Neither the Warrants nor this Warrant Certificate entitles any holder hereof to any rights of a shareholder of the Company.

 

     

     

    

  

Election to Purchase

 

(To Be Executed Upon Exercise of Warrant)

 

The undersigned hereby irrevocably elects
to exercise the right, represented by this Warrant Certificate, to receive ______________ Ordinary Shares and herewith tenders
payment for such shares to the order of GEF Acquisition Corporation (the “Company”) in the amount of $____________
in accordance with the terms hereof. The undersigned requests that a certificate for such shares be registered in the name of ___________,
whose address is ___________________________ and that such shares be delivered to _______________________ whose address is _________________________________.
If said number of shares is less than all of the Ordinary Shares purchasable hereunder, the undersigned requests that a new Warrant
Certificate representing the remaining balance of such shares be registered in the name of _____________________________, whose
address is __________________ and that such Warrant Certificate be delivered to _____________________________, whose address is
___________________________.

 

In the event that the Warrant has been called
for redemption by the Company pursuant to Section 6 of the Warrant Agreement and the Company has required cashless
exercise pursuant to Section 6.3 of the Warrant Agreement, the number of shares that this Warrant is exercisable
for shall be determined in accordance with subsection 3.3.1(b) and Section 6.3 of the Warrant
Agreement.

 

In the event that the Warrant is a Private
Placement Warrant that is to be exercised on a “cashless” basis pursuant to subsection 3.3.1(c) of
the Warrant Agreement, the number of shares that this Warrant is exercisable for shall be determined in accordance with subsection
3.3.1(c) of the Warrant Agreement.

 

In the event that the Warrant is to be exercised
on a “cashless” basis pursuant to Section 7.4 of the Warrant Agreement, the number of shares that
this Warrant is exercisable for shall be determined in accordance with Section 7.4 of the Warrant Agreement.

 

In the event that the Warrant may be exercised,
to the extent allowed by the Warrant Agreement, through cashless exercise (i) the number of shares that this Warrant is exercisable
for would be determined in accordance with the relevant section of the Warrant Agreement which allows for such cashless exercise
and (ii) the holder hereof shall complete the following: The undersigned hereby irrevocably elects to exercise the right, represented
by this Warrant Certificate, through the cashless exercise provisions of Section  of the Warrant Agreement, to receive Ordinary
Shares. If said number of shares is less than all of the Ordinary Shares purchasable hereunder (after giving effect to the cashless
exercise), the undersigned requests that a new Warrant Certificate representing the remaining balance of such shares be registered
in the name of _____________________________, whose address is __________________ and that such Warrant Certificate be delivered
to _____________________________, whose address is ___________________________.

 

[Signature Page follows] 

 

     

     

    

  

	Date: ____________, 20__	 
	 	(Signature)
	 	 
	 	 
	 	 
	 	(Address)
	 	 
	 	(Tax Identification Number)

 

	Signature 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 SEC RULE 17Ad-15).

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