Document:

Exhibit 4.1

 

	 	NUMBER OF UNITS

                                                

                                               U-

 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP 001040 203

 

AF ACQUISITION CORP.

 

UNITS CONSISTING OF ONE SHARE OF CLASS A COMMON STOCK AND

ONE-THIRD OF ONE REDEEMABLE WARRANT, EACH WHOLE WARRANT ENTITLING THE 

HOLDER TO PURCHASE ONE SHARE OF

CLASS A COMMON STOCK

 

THIS CERTIFIES THAT is the owner of Units.

 

Each Unit (“Unit”) consists
of one (1) share of Class A common stock, par value $0.0001 per share (“Common Stock”), of AF Acquisition Corp.,
a Delaware corporation (the “Company”), and one-third (1/3) of one warrant (each whole warrant, a “Warrant”).
Each whole Warrant entitles the holder to purchase one (1) share (subject to adjustment) of Common Stock for $11.50 per share (subject
to adjustment). Only whole Warrants are exercisable. Each whole Warrant will become exercisable on the later of (i) thirty (30)
days after the Company’s completion of a merger, capital stock exchange, asset acquisition, stock purchase, reorganization
or other similar business combination with one or more businesses (each a “Business Combination”), or (ii) twelve
(12) months from the closing of the Company’s initial public offering, and will expire unless exercised before 5:00 p.m.,
New York City Time, on the date that is five (5) years after the date on which the Company completes its initial Business Combination,
or earlier upon redemption or liquidation (the “Expiration Date”). The Common Stock and Warrants comprising
the Units represented by this certificate are not transferable separately prior to         , 2021, unless
Cowen and Company, LLC elects to allow earlier separate trading, subject to the Company’s filing of a Current Report on Form
8-K with the Securities and Exchange Commission containing an audited balance sheet reflecting the Company’s receipt of the
gross proceeds of the Company’s initial public offering and issuing a press release announcing when separate trading will
begin. No fractional Warrants will be issued upon separation of the Units. The terms of the Warrants are governed by a Warrant
Agreement, dated as of          , 2021, between the Company and Continental Stock Transfer & Trust Company,
as Warrant Agent, and are subject to the terms and provisions contained therein, all of which terms and provisions the holder of
this certificate consents to by acceptance hereof. Copies of the Warrant Agreement are on file at the office of the Warrant Agent
at 1 State Street, 30th Floor, New York, New York 10004, and are available to any Warrant holder on written request and without
cost.

 

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

 

This certificate shall be governed by and
construed in accordance with the internal laws of the State of New York.

 

Witness the facsimile signature of its duly
authorized officers.

 

 

	 	 	 
	Chief Executive Officer	 	Chief Financial Officer

 

     

     

    

 

AF Acquisition Corp.

 

The Company will furnish without charge
to each unitholder who so requests, a statement of 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.

 

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	 
	 	 	 	 	 	 	(Cust)	 	(Minor)
	TEN ENT	—	as tenants by the entireties	 	 	 		 	
	 	 	 	 	 	 	under
    Uniform Gifts to Minors Act
	JT TEN	—	as joint tenants with right of survivorship
    and not as tenants in common	 	 	
	 	 	 	 	(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)

 

Units represented by the within Certificate, and do hereby
irrevocably constitute and appoint

 

Attorney to transfer the said Units on the books of the within
named Company 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:

 

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 Company’s
final prospectus dated         , 2021, the holder(s) of the Company’s Class A common stock 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 such later date if such period is extended pursuant to the Company’s Certificate of Incorporation as in effect at
such time), (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 to modify the substance or timing
of the Company’s obligation to redeem 100% of the Class A common stock if it does not consummate an initial business combination
by         , 2023 (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 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 4.2

 

NUMBER

C-

 

SHARES

 

SEE
REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP
001040 104

 

AF
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

 

AF
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            ,
2023 (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            ,
2021.

 

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

 

     

     

    

 

AF
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	 
	 	 	 	 	 	 	(Cust)	 	(Minor)
	TEN ENT	—	as tenants by the entireties	 	 	 		 	
	 	 	 	 	 	 	under
    Uniform Gifts to Minors Act
	JT TEN	—	as joint tenants with right of survivorship
    and not as tenants in common	 	 	
	 	 	 	 	(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             ,
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 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             , 2023 (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
second 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             
, 2023 (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.

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