Exhibit 4.1


 


SPECIMEN UNIT CERTIFICATE


 


NUMBER UNITS U-[__]


 


Aurora Acquisition Corp.


 


	SEE REVERSE FOR
 CERTAIN
 DEFINITIONS 	CUSIP G0698L111





 


UNITS CONSISTING OF ONE CLASS A
ORDINARY SHARE AND ONE-QUARTER OF ONE REDEEMABLE WARRANT TO PURCHASE 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 ("Ordinary Shares"), of Aurora Acquisition
Corp., a Cayman Islands exempted company (the "Company"), and one-quarter (1/4) of one redeemable warrant
(each whole warrant, a "Warrant"). Each Warrant entitles the holder to purchase one (1) Ordinary Share for
$11.50 per share (subject to adjustment). Each Warrant will become exercisable on the later of (i) thirty (30) days
after the Company's completion of a merger, share exchange, asset acquisition, share purchase, reorganization or other
similar business combination with one or more businesses (each, a "Business Combination"), and (ii) twelve
(12) months from the closing of the Company's initial public offering, and will expire unless exercised before 5:00 p.m., New
York City Time, on the date that is five (5) years after the date on which the Company completes its initial Business
Combination, or earlier upon redemption or liquidation (the "Expiration Date"). The Ordinary Shares and Warrants
comprising the Units represented by this certificate are not transferable separately prior to [ ], 2021, unless Barclays
Capital Inc. elects to allow earlier separate trading, subject to the Company's filing with the Securities and Exchange
Commission of a Current Report on Form 8-K containing an audited balance sheet reflecting the Company's receipt of the
gross proceeds of the initial public offering and issuing a press release announcing when separate trading will begin. No
fractional warrants will be issued upon separation of the Units and only whole warrants are exercisable. The terms of the
Warrants are governed by a Warrant Agreement, dated as of [ ], 2021, between the Company and Continental Stock
Transfer & Trust Company, as Warrant 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 Warrant Agreement are on
file at the office of the Warrant Agent at 1 State Street, 30th Floor, New York, New York 10004, and are available to any Warrant
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 Warrants comprising such Units.


 


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


 


This certificate shall be governed by and
construed in accordance with the internal laws of the State of New York. Witness the facsimile signatures of its duly authorized
officers.


 


	By:	 	 	 
	 	Chief Executive Officer	 	Chief Financial Officer


 






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Aurora Acquisition 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 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 in common
	 	(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.  



 






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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)


 


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 ________________	 
	 	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 OR ANY SUCCESSOR RULES).	 


 


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 (i) the Company redeems the Ordinary
Shares 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 Company's amended and restated memorandum and articles of association, as the same may be
amended from time to time, (ii) the Company redeems the 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 provide holders of the Ordinary Shares the right to have their shares redeemed
in connection with the Company's initial business combination or to redeem 100% of the Ordinary Shares if the Company does not
complete its initial business combination within the time period set forth therein or (B) with respect to any other provision
relating to the rights of holders of the Ordinary Shares, or (iii) if the holder(s) seek(s) to redeem for cash
his, her, its or their respective Ordinary Shares in connection with a tender offer (or proxy solicitation, solely in the event
the Company seeks shareholder 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.


 






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