Document:

Exhibit 4.2

 

	NUMBER	SHARES
	C	 

 

GARDINER HEALTHCARE ACQUISITIONS CORP.

 

INCORPORATED UNDER THE LAWS OF THE STATE OF
DELAWARE

 

COMMON STOCK

 

SEE REVERSE FOR

CERTAIN DEFINITIONS

 

CUSIP 365506 104

 

	This Certifies that	 

 

	is the owner of	 

 

FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON
STOCK OF

 

GARDINER HEALTHCARE ACQUISITIONS CORP.

 

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 liquidate if
it is unable to complete an initial business combination as defined in, and within the time period required by, its Amended and Restated
Certificate of Incorporation, as the same may be amended from time to time.

 

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

 

Witness the facsimile signatures of its duly
authorized officers.

 

	Dated:	 	 	 	 

	 	 
	 	 

	 	 	 
	CHAIRMAN	 	CHIEF FINANCIAL
    OFFICER

 

     

     

    

 

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.

 

Gardiner Healthcare Acquisitions Corp.

 

The Company 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 shares 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 preferred stock (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.

 

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)

 

	Name:	 	 	 
	Address:	 	 	 
	 	 	 	 
	 	 	 	 

 

 

 

shares
of common stock represented by the within Certificate, and do hereby irrevocably constitute and appoint

 

Attorney to transfer the said stock on the books of the within
named Company with 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).

 

As more fully described in the Company’s
final prospectus dated as of [•], 2021, the holder of this certificate shall be entitled to receive funds from the trust account
established in connection with the Company’s initial public offering only in the event of the Company’s liquidation upon failure
to consummate a business combination within the required time period set forth in the Company’s Amended and Restated Certificate
of Incorporation as the same may be amended from time to time (the “Certificate”), or if the holder seeks to convert his or
her shares of common stock upon consummation of a business combination or in connection with certain amendments to the Certificate. In
no other circumstances shall the holder have any right or interest of any kind in or to the trust account.

 

    3Exhibit 4.3

SPECIMEN WARRANT CERTIFICATE

 

	NUMBER	 	[●] WARRANTS
	WA-	 	 

 

(THIS WARRANT WILL BE VOID IF NOT EXERCISED PRIOR
TO 5:00 P.M.

NEW YORK CITY TIME, FIVE YEARS FROM THE CLOSING
DATE OF THE COMPANY’S INITIAL

BUSINESS COMBINATION)

 

GARDINER HEALTHCARE ACQUISITIONS CORP.

 

CUSIP 365506 112

 

WARRANT

 

THIS WARRANT CERTIFIES THAT,
for value received , or registered assigns, is the registered holder of a Warrant or Warrants (the “Warrant”), expiring on
a date which is five (5) years from the completion of the Company’s initial business combination, to purchase one fully
paid and non-assessable share (the “Warrant Shares”), of common stock, par value $0.0001 per share (the “Common Stock”),
of Gardiner Healthcare Acquisitions Corp., a Delaware corporation (the “Company”), for each Warrant evidenced by this Warrant
Certificate. This Warrant Certificate is subject to and shall be interpreted under the terms and conditions of the Warrant Agreement (as
defined below).

 

The Warrant entitles the
holder thereof to purchase from the Company, from time to time, in whole or in part, commencing on the later to occur of (i) the completion
of the Company’s initial business combination or (ii) one year following the closing of the Company’s initial public offering,
such number of Warrant Shares at the price of $11.50 per share (the “Warrant Price”), upon surrender of this Warrant Certificate
and payment of the Warrant Price at the office or agency of Continental Stock Transfer & Trust Company (the “Warrant Agent”),
such payment to be made subject to the conditions set forth herein and in the Warrant Agreement, dated [●], 2021, between the Company
and the Warrant Agent (the “Warrant Agreement”). In no event shall the registered holder(s) of this Warrant be entitled to
receive a net-cash settlement in lieu of physical settlement in Warrant Shares of the Company. The Warrant Agreement provides that, upon
the occurrence of certain events, the Warrant Price and the number of Warrant Shares purchasable hereunder, set forth on the face hereof,
may be adjusted, subject to certain conditions. The term Warrant Price as used in this Warrant Certificate refers to the price per full
Warrant Share at which Warrant Shares may be purchased at the time the Warrant is exercised.

 

This Warrant will expire
on the date first referenced above if it is not exercised prior to such date by the registered holder pursuant to the terms of the Warrant
Agreement or if it is not redeemed by the Company prior to such date.

 

No fractional shares
will be issued upon any exercise of a Warrant. If, upon exercise of a Warrant, a holder would be entitled to receive a fractional
interest in a share, the Company will, upon exercise, issue or cause to be issued only the largest whole number of Warrant Shares
issuable on such exercise (and such fraction of a share will be disregarded).

 

     

     

    

 

Upon any exercise of the
Warrant for less than the total number of full Warrant Shares provided for herein, there shall be issued to the registered holder(s) hereof
or its assignee(s) a new Warrant Certificate covering the number of Warrant Shares for which the Warrant has not been exercised.

 

Warrant Certificates, when
surrendered at the office or agency of the Warrant Agent by the registered holder(s) hereof in person or by 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 and evidencing in the aggregate a like number
of Warrants.

 

Upon due presentment for
registration of transfer of the Warrant Certificate at the office or agency 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 applicable tax
or other governmental charge.

 

The Company and the Warrant
Agent may deem and treat the registered holder(s) 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 registered holder(s),
and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary.

 

This Warrant does not entitle
the registered holder(s) to any of the rights of a stockholder of the Company.

 

After the Warrant becomes
exercisable and prior to its expiration date, the Company reserves the right to call the Warrant at any time, with a notice of call in
writing to the holder(s) of record of the Warrant, giving thirty (30) days’ written notice of such call if the last reported sale
price of the Common Stock has been equal to or greater than $16.50 per share for any twenty (20) trading days within a thirty (30) trading
day period ending on the third (3rd) trading day prior to the date on which notice of such call is given, provided that (i) a registration
statement under the Securities Act of 1933, as amended (the “Act”) with respect to the shares of Common Stock issuable upon
exercise must be effective and a current prospectus must be available for use by the registered holders hereof or (ii) the Warrants may
be exercised on cashless basis as set forth in the Warrant Agreement and such cashless exercise is exempt from registration under the
Act. The call price is $0.01 per Warrant Share. No fractional shares will be issued upon exercise of the Warrant.

 

If the foregoing
conditions are satisfied and the Company calls the Warrant for redemption, each holder will then be entitled to exercise his, her or
its Warrant prior to the date scheduled for redemption; provided that the Company may require the Registered Holder who desires to
exercise the Warrant, to elect cashless exercise as set forth in the Warrant Agreement, and such Registered Holder must exercise the
Warrants on a cashless basis if the Company so requires. Any Warrant either not exercised or tendered back to the Company by the end
of the date specified in the notice of call shall be canceled on the books of the Company and have no further value except for the
$0.01 call price.

 

    2

     

    

 

	By	 	 
	 	Chief Executive Officer	 

 

[REVERSE OF CERTIFICATE]

SUBSCRIPTION FORM

 

To Be Executed by the Registered Holder(s) in Order
to Exercise Warrants

 

The undersigned hereby irrevocably
elects to exercise the right, represented by this Warrant Certificate, to receive shares of Common Stock in accordance with the terms
of this Warrant Certificate and pursuant to the method selected below. Capitalized terms used herein and not otherwise defined have the
respective meanings set forth in the Warrant Certificate. PLEASE CHECK ONE METHOD OF PAYMENT:

 

	 	 	 	a “Cash Exercise” with respect to Warrant Shares; and/or
	 	 	 
	 	 	 	a “Cashless Exercise” with respect to Warrant Shares because on the date of this exercise, there is no effective registration statement registering the Warrant Shares, or the prospectus contained therein is not available for the resale of the Warrant Shares, in which event the Company shall deliver to the registered holder(s) shares of Common Stock pursuant to Section 3.3.2 of the Warrant Agreement.

 

The undersigned requests that a certificate for such shares be registered in the name(s) of:

 

	 
	(PLEASE TYPE OR PRINT NAME(S) AND ADDRESS)
	 
	 
	 
	 
	 
	 
	(SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER(S))

 

	and be delivered to	 	 
	 	 	(PLEASE PRINT OR TYPE NAME(S) AND ADDRESS)

 

and, if such number of Warrants shall not be all
the Warrants evidenced by this Warrant Certificate, that a new Warrant Certificate for the balance of such Warrants be registered in the
name of, and delivered to, the registered holder(s) at the address(es) stated below:

 

Dated:

 

	 	 
	(SIGNATURE(S))	 

 

    3

     

    

 

	 	 
	(ADDRESS(ES))	 
	 	 
	 	 
	 	 
	 	 
	(TAX IDENTIFICATION NUMBER(S))	 

 

ASSIGNMENT

 

To Be Executed by the Registered Holder in Order
to Assign Warrants

 

For Value Received, hereby sell(s), assign(s), and transfer(s) unto

 

	 
	(PLEASE TYPE OR PRINT NAME(S) AND ADDRESS(ES))
	 
	 
	 
	 
	 
	 

(SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER(S))

	and to be delivered to	 	 
	 	 	(PLEASE PRINT OR TYPE NAME(S) AND ADDRESS(ES))
	 
	 
	 
	 

(SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER(S))

 

of the Warrants represented by this Warrant Certificate,
and hereby irrevocably constitute and appoint Attorney to transfer this Warrant Certificate on the books of the Company, with full power
of substitution in the premises.

 

Dated:

 

	 	 
	(SIGNATURE(S))	 

 

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).

 

    4

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