Exhibit 4.2


 


NUMBER


 


NUMBER

C

SHARES

SEE REVERSE FOR

CERTAIN

DEFINITIONS

CUSIP


 


LIBERTY MEDIA ACQUISITION CORPORATION


 


INCORPORATED UNDER THE LAWS OF THE
STATE OF DELAWARE

SERIES A COMMON STOCK


 


	This Certifies that	 




 


	is the owner of	 




 


FULLY PAID AND NON-ASSESSABLE SHARES OF SERIES A COMMON STOCK
OF THE PAR VALUE OF $0.0001 EACH OF


 


LIBERTY MEDIA ACQUISITION CORPORATION


 


(THE “COMPANY”)


 


transferable on the books of the Company in person or by duly
authorized attorney upon surrender of this certificate properly endorsed.


 


Subject to the Company’s amended and restated certificate
of incorporation (as may be amended from time to time, the “restated certificate”), the shares of Series A common stock
will be redeemed by the Company if it is unable to complete a business combination within the period of time set forth in the restated
certificate, or by such later date approved by the Company’s stockholders in accordance with the restated certificate, 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 its
duly authorized officers.


 


	Secretary	[Corporate Seal]

Delaware	Principal Executive Officer


 


LIBERTY MEDIA ACQUISITION CORPORATION


 


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 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 restated
certificate 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 	 
	 	 	 	 	 	 	(Cust)	 	(Minor)
	TEN ENT	—	as tenants by the entireties	 	 	 	 	 	 
	 	 	 	 	 	Under Uniform Gifts to
	JT TEN	—	as joint tenants with right of survivorship
    and not as tenants in common	 	 	Minors
                    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(S) OF ASSIGNEE(S))


 


	 



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


 


	 
	 
	 
	 
	 



Shares of the capital stock represented
by the within Certificate, and do(es) hereby irrevocably constitutes and appoints


 


	 



Attorney to transfer the said stock 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:

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 (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, subject
to the restated certificate, (i) the Company redeems the shares of Series A common stock sold in its initial public offering and
liquidates because it does not consummate an initial business combination within the period of time set forth in the restated certificate,
(ii) the Company redeems the shares of Series A common stock sold in its initial public offering in connection with a stockholder
vote to amend the restated certificate (A) to modify the substance or timing of the Company’s obligation to allow redemptions
in connection with the Company’s initial business combination or to redeem 100% of the Series A common stock if it does not
complete its initial business combination within the period of time set forth in the restated certificate , or (B) with respect
to any other provision relating to the holder(s) rights or pre-initial business combination activity, or (iii) if the holder(s)
seek(s) to redeem for cash his, her, its or their respective shares of Series A common stock in connection with a tender offer
(or proxy solicitation, solely in the event the Company seeks stockholder approval of the proposed initial business combination)
setting forth the details of a proposed initial business combination. In no other circumstances shall the holder(s) have any right
or interest of any kind in or to the trust account.