Document:

Exhibit 4.1

 

SPECIMEN UNIT CERTIFICATE

 

NUMBER
UNITS

U-

 

SEE REVERSE FOR CERTAIN DEFINITIONS 

 

CUSIP
13125M 203

 

CALLODINE ACQUISITION
CORPORATION

 

UNITS CONSISTING
OF ONE SHARE OF CLASS A COMMON STOCK AND ONE-THIRD OF ONE

WARRANT 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 Callodine Acquisition Corporation, 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). 
Each 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 Wells Fargo Securities, 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.  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 Continental Stock Transfer & Trust Company, 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 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 officer.

 

	 	 
	[Chief Executive Officer]	 

 

     

     

    

 

Callodine Acquisition Corporation

 

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	 
	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.

 

    2

     

    

 

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 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, (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 (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

 

SPECIMEN CLASS A COMMON STOCK CERTIFICATE

 

	NUMBER 	SHARES
	C-	 
	 	 
	SEE REVERSE FOR CERTAIN DEFINITIONS	CUSIP 13125M 104

 

CALLODINE ACQUISITION
CORPORATION

 

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

 

CALLODINE
ACQUISITION CORPORATION

(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 redeem all of its shares of Class A common stock if it is unable to complete a business combination by                      ,
2023, 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.

 

	Chief Executive Officer	[Corporate Seal] Delaware	Secretary
	 	 	 
	 	 	 

 

    

     

    

 

CALLODINE ACQUISITION
CORPORATION

 

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 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 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.

 

    2

     

    

 

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(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).

 

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, (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                   ,
2023, 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.

 

 

3

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