SEC Filing Document

Company: Jones Ventures INTL Acquisition1 Corp
Ticker: 
CIK: 2129056
Filing Type: S-1
Document Type: EX-4.1
Date Filed: 2026-05-15
Accession Number: 0001213900-26-057072
Exchange: 
SIC Code: 6770
SIC Description: Blank Checks
URL: https://www.sec.gov/Archives/edgar/data/2129056/000121390026057072/ea028579202ex4-1.htm

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Exhibit 4.1

NUMBER UNITS

SEE REVERSE FOR CERTAIN DEFINITIONS

CUSIP G51776 121

JONES VENTURES INTL ACQUISITION1 CORP

UNITS CONSISTING OF ONE CLASS A ORDINARY SHARE AND ONE RIGHT TO RECEIVE
ONE-TENTH OF ONE CLASS A ORDINARY SHARE.

THIS CERTIFIES THAT _____________________ is the
owner of _________ Units.

Each Unit (“Unit”) consists of one (1) Class
A ordinary share, par value $0.0001 per share (“Class A Ordinary Shares”), of Jones Ventures INTL Acquisition1
Corp, a Cayman Islands exempted company (the “Company”) and one (1) right (each, a “Right”)
entitling the holder thereof to receive one-tenth (1/10th) of one Class A Ordinary Share upon consummation of our
initial business combination (the “Business Combination”).

The Class A Ordinary Shares and Rights comprising the Units
represented by this certificate are not transferable separately prior to the 52nd business day following the date of the Company’s
initial public offering which 52nd day is __________, 2026, unless the representative of the underwriters 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 Rights are governed by a Rights Agreement (the “Rights
Agreement”) dated as of ___, 2026, between the Company and VStock Transfer, LLC, as 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 are on file at the office of VStock Transfer, LLC at 18 Lafayette Place, Woodmere, NY 11598, and are available
to any Rights holder on written request and without cost.

Upon the consummation of the Business Combination, the Units represented
by this certificate will automatically separate into the Class A Ordinary Shares and Rights comprising such Units.

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 law of the State of New York.

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

Chief Executive Officer Corporate Secretary

JONES VENTURES INTL ACQUISITION1 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 equity 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 entirety

under Uniform Gifts to Minors Act

JT TEN	—	as joint tenants with right of survivorship and not as tenants in common

Additional abbreviations may also be used though
not in the above list.

For value received, ___________
hereby sells, assigns and transfers unto _______________________________ whose social security number or other identifying number
is ______________ and whose address is ___________________________________, ________________ Units represented by the within Certificate,
and does 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:

(legal signature)

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 WHATSOEVER.

Signature(s) Guaranteed: __________________________

The signature must be guaranteed by an eligible
guarantor institution (banks, stockbrokers, savings & loan associations and credit unions with membership in an approved signature
guarantee medallion program, pursuant to SEC Rule 17A d-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 for its initial public offering dated [ ] 2026, 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 Class A Ordinary Shares sold in the Company’s initial public offering and
liquidates because it does not consummate the Business Combination by the date set forth in the Company’s amended and restated memorandum
and articles of association, (ii) the Company redeems the Class A Ordinary Shares sold in its initial public offering in connection
with a shareholder vote to amend the Company’s amended and restated memorandum and articles of association (a) to modify the substance
or timing of the Company’s obligation to allow redemption in connection with the Company’s Business Combination or to redeem
100% of the Class A Ordinary Shares if it does not consummate the Business Combination by the date set forth in the Company’s
amended and restated memorandum and articles of association or (b) with respect to any other material provisions relating to shareholders’
rights or pre-initial business combination activity, and the holder(s) of this certificate elects to have the Class A Ordinary
Shares held by him, her or it redeemed pursuant to that offer or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective
Class A Ordinary Shares in connection with a tender offer (or proxy solicitation, solely in the event the Company seeks shareholder
approval of the proposed Business Combination) setting forth the details of a proposed Business Combination. In no other circumstances
shall the holder(s) have any right or interest of any kind in or to the trust account.