Exhibit 4.1

SPECIMEN COMMON STOCK CERTIFICATE

CERTIFICATE NUMBER SHARES

LBBB MERGER CORP.

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE

COMMON STOCK

SEE REVERSE FOR
CERTAIN DEFINITIONS

THIS CERTIFIES THAT	CUSIP: [_]
IS THE OWNER OF
FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF $0.0001 PAR VALUE EACH OF

LBBB MERGER CORP.

transferable on the books of the Corporation by the holder thereof in person or by duly authorized attorney upon surrender of this certificate duly endorsed or assigned. This certificate is not valid unless countersigned by the Transfer Agent.

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

Dated:
	Chairman	Chief Financial Officer

LBBB MERGER CORP.
CORPORATE SEAL
2024
DELAWARE

LBBB MERGER CORP.

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 share or series thereof of the Corporation and the qualifications, limitations, or restrictions of such preferences and/or rights. This certificate and the shares represented hereby are issued and shall be held subject to the laws of the State of Delaware, the Certificate of Incorporation and Bylaws of the Corporation, as now and hereafter amended, and resolutions of the Board of Directors providing for the issuance of common stock (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		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, 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 of the capital stock 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 Corporation 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) 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).