Document:

Exhibit 4.1

 

	       NUMBER

                                                    U-__________
	 	UNITS
	 	 	 
	SEE REVERSE FOR

CERTAIN DEFINITIONS	DD3 ACQUISITION CORP. III	 
	 	 	CUSIP
    [●]

 

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 DD3 Acquisition Corp. III, a Delaware corporation (the “Company”), and one-third of one redeemable warrant (“Warrant”).
Each whole Warrant entitles the holder to purchase one share of Common Stock for $11.50 per share (subject to adjustment). Each whole
Warrant will become exercisable 30 days after the Company’s completion of an initial merger, capital stock exchange, asset acquisition,
stock purchase, recapitalization, reorganization or other similar business combination with one or more businesses or entities (a “Business
Combination”) and will expire unless exercised before 5:00 p.m., New York City Time, on the fifth anniversary of the completion
of an initial Business Combination, or earlier upon redemption or liquidation. The Common Stock and Warrant(s) comprising the Unit(s)
represented by this certificate are not transferable separately prior to _________, 2021, unless Morgan Stanley & Co. LLC informs
the Company of its decision 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 such separate trading will begin; provided
that no fractional Warrants will be issued upon separation of the Units and only whole Warrants will trade. 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.

 

Upon the completion of an initial
Business Combination, the Units represented by this certificate will automatically separate into the shares of Common Stock and Warrants
comprising such Units.

 

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 signatures of the duly authorized officers of the Company.

 

	 	 	 
	Chief Executive Officer	 	Chief Financial Officer

 

     

     

    

 

DD3
Acquisition Corp. III

 

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	under
    Uniform Gifts to Minors
	 	 	and
not as tenants in common		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 OF ASSIGNEE

 

	 	 
	 	 

 

  

 

(PLEASE
PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

 

 

 

 

 

 

 

 

 

 

	 	Units

 

represented
by the within Certificate, and hereby irrevocably constitutes and appoints

 

	 	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(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:

 

	
     
	 
	
    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) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED).

    
	 

 

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 because it does not consummate
an initial business combination within the period of time (the “Completion Period”) set forth in the Company’s
Amended and Restated Certificate of Incorporation, as the same may be amended from time to time (the “Charter”), (ii)
the Completion Period is extended by a stockholder vote or the Company seeks to amend any provisions of the Charter (A) to modify
the substance or timing of the Company’s obligations with respect to conversion rights as described in the Company’s
final prospectus dated ______________, 2021 or (B) with respect to any other material provision relating to stockholders’
rights or pre-initial business combination activity, or (iii) if the holder(s) seek(s) to convert his, her or its respective shares
of Class A common stock upon consummation of, or sell his, her or its shares of Class A common stock in a tender offer in connection
with, an initial business combination which the Company consummates. 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	SHARES      

 

C-

 

DD3
ACQUISITION CORP. III

 

INCORPORATED
UNDER THE LAWS OF THE STATE OF DELAWARE

 

CLASS
A COMMON STOCK

 

SEE
REVERSE FOR

CERTAIN DEFINITIONS

 

	This
    Certifies that	CUSIP [●]       

 

 

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

 

DD3
ACQUISITION CORP. III

(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 shares of Class A common stock if it is unable to complete an initial business combination
within the time period set forth in the Company’s Amended and Restated Certificate of Incorporation, as the same may be
amended from time to time, all as more fully described in the Company’s final prospectus dated               , 2021.

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

Witness the facsimile signatures of the duly authorized officers of the Company.

 

Dated:

 

	 	 	 
	Chief
    Executive Officer	 	Chief
    Financial Officer

 

     

     

    

 

DD3 Acquisition
Corp. III

 

The
Company will furnish without charge to each stockholder 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. This certificate and the shares represented thereby
are issued and shall be held subject to all the provisions of the Company’s 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 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 of survivorship	under
    Uniform Gifts to Minors
	 	 	and
not as tenants in common		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 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 hereby irrevocably constitutes and appoints                                                                           
 Attorney to transfer the said 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:

 

 

 

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) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED).

 

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 because it does not consummate
an initial business combination within the period of time (the “Completion Period”) set forth in the Company’s
Amended and Restated Certificate of Incorporation, as the same may be amended from time to time (the “Charter”), (ii)
the Completion Period is extended by a stockholder vote or the Company seeks to amend any provisions of the Charter (A) to modify
the substance or timing of the Company’s obligations with respect to conversion rights as described in the Company’s
final prospectus dated ______________, 2021 or (B) with respect to any other material provision relating to stockholders’
rights or pre-initial business combination activity, or (iii) if the holder(s) seek(s) to convert his, her or its respective shares
of Class A common stock upon consummation of, or sell his, her or its shares of Class A common stock in a tender offer in connection
with, an initial business combination which the Company consummates. 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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