Document:

Exhibit 4.1

 

	NUMBER

U-__________	 	UNITS
	 	 	 
	SEE REVERSE FOR

CERTAIN DEFINITIONS	AQUARIUS I ACQUISITION CORP. 	 

 

 

CUSIP:
G0441B 113

 

UNITS CONSISTING OF ONE ORDINARY
SHARE, ONE WARRANT AND

ONE RIGHT TO RECEIVE ONE-TENTH OF ONE ORDINARY SHARE

 

	THIS CERTIFIES THAT	 	 

 

	is the owner of	 	Units.

 

Each Unit (“Unit”) consists
of one ordinary share, with a par value $0.0001 per share, of
Aquarius I Acquisition Corp., a Cayman Islands company (the “Company”), one redeemable warrant (“Warrant”), and
one right (“Right”) to receive one-tenth (1/10) of an ordinary share. Each redeemable Warrant entitles the holder thereof
to purchase one-half (1/2) of one ordinary share at a price of $11.50 per full share (subject to adjustment), upon the later to occur
of (i) 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 (a “Business Combination”) or (ii) 12 months
from the date that the registration statement is declared effective by the Securities and Exchange Commission (or up to 21 months from
the date that the registration statement is declared effective if we extend the period of time to consummate a business combination).
Every ten Rights entitles the holder thereof to receive one ordinary share upon consummation of the Company’s initial Business Combination.
The ordinary shares, Rights and Warrants comprising the Units represented by this certificate are not transferable separately prior to
the 52nd business day after the date of the prospectus relating to the Company’s initial public offering, unless Maxim Group LLC
(“Maxim”) as the representative of the underwriters, determines that an earlier date is acceptable, but in no event will the
ordinary shares, Rights and Warrants be traded separately until the Company files with the Securities and Exchange Commission (the “SEC”)
a current report on Form 8-K which includes an audited balance sheet reflecting the receipt by the Company of the gross proceeds from
its initial public offering including the proceeds received by the Company from the exercise of the over-allotment option thereto, if
the over-allotment option is exercised. If the over-allotment option is exercised after the date of the prospectus, we will file an amendment
to the Form 8-K or a new Form 8-K to provide updated financial information to reflect the exercise of the over-allotment option. We will
also include in the Form 8-K, or amendment thereto, or in a subsequent Form 8-K, information indicating if the underwriters has allowed
separate trading of the ordinary shares, Rights and Warrant prior to the 52nd business day after the date of the prospectus.

 

The terms of the Warrants and Rights are
governed by a warrant agreement (the “Warrant Agreement”), dated as of [●], 2021, and a rights agreement (the “Rights
Agreement”), dated as of [●], 2021, respectively, both between the Company and American Stock Transfer & Trust Company,
LLC as the warrant agent and rights 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 Rights Agreement and Warrant Agreement are on file at the
office of American Stock Transfer & Trust Company, LLC at 6201 15th Avenue, Brooklyn, New York, NY 11219, and are available to any
Warrant holder or Rights holder, respectively, on written request and without cost.

 

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

 

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

 

This Unit 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.

 

 [Seal]

 

	By 	 	 	 
	 	 	 	 
	 	Chairman	 	Chief Financial Officer

 

    

     

    

 

AQUARIUS I ACQUISITION CORP. 

 

The Company will furnish without
charge to each shareholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional
or other special rights of each class of shares 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 sell(s), assign(s) and transfer(s) unto

 

PLEASE INSERT SOCIAL SECURITY OR OTHER

IDENTIFYING NUMBER OF ASSIGNEE(S)

 

	
     

     
	 

 

 

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

 

	 	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 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) 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 S.E.C. RULE 17Ad-15).	 

 

The holder of this certificate shall be entitled to receive funds with
respect to the underlying ordinary shares from the trust fund only in the event of the Company’s liquidation upon failure to consummate
a business combination or if the holder seeks to convert his or her respective ordinary shares underlying the unit upon consummation of
such business combination or in connection with certain amendments to the Company’s Amended and Restated Memorandum and Articles
of Association. In no other circumstances shall the holder have any right or interest of any kind in or to the trust fund.Exhibit 4.2

 

SPECIMEN
ORDINARY SHARE CERTIFICATE

 

	CERTIFICATE NUMBER	SHARES

_________

 

AQUARIUS
I ACQUISITION CORP.

 

INCORPORATED
UNDER THE LAWS OF THE CAYMAN ISLANDS

 

ORDINARY
SHARE

 

SEE
REVERSE FOR

CERTAIN DEFINITIONS

 

	THIS CERTIFIES THAT	CUSIP: G0441B 105

 

IS THE OWNER
OF

 

FULLY
PAID AND NON-ASSESSABLE ORDINARY SHARES OF PAR VALUE $0.0001 PER SHARE

 

AQUARIUS
I 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

 

AQUARIUS
I ACQUISITION CORP. 

CORPORATE

SEAL 2021

CAYMAN ISLANDS

 

    

    

    

 

AQUARIUS
I ACQUISITION CORP. 

 

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 share or series thereof of the Company and the qualifications, limitations, or restrictions
of such preferences and/or rights. This certificate and the Ordinary Shares represented thereby are issued and shall be held subject
to all the provisions of the Amended and Restated Memorandum and Articles of Association and all amendments thereto and resolutions of
the Board of Directors providing for the issuance of Ordinary Shares (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

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

 

	              	 Attorney

to transfer
the said share on the books of the within named Company will full power of substitution in the premises.

 

    2

     

    

 

	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).

 

The
holder of this certificate shall be entitled to receive funds from the trust account only in the event of (i) the liquidation of the
trust account upon a failure to consummate a business combination, as described in the prospectus covering the securities or (ii) if
the holder seeks to convert his respective shares or sells them to the Company in a tender offer, in each case in connection with (1)
the consummation of a business combination or (2) in connection with an amendment to our Memorandum and Articles of Association prior
to the consummation of a business combination. In no other circumstances shall the holder have any right or interest of any kind in or
to the trust account.

 

 

3

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