Exhibit 4.1


 


	NUMBER



SPKU	 	UNITS



 


SPK ACQUISITION CORP.


 


	SEE REVERSE
FOR   CERTAIN DEFINITIONS	 	CUSIP
848651204



 


 


UNITS CONSISTING OF ONE SHARE OF COMMON
STOCK AND

ONE RIGHT TO RECEIVE ONE-TENTH OF ONE SHARE OF COMMON STOCK


 


THIS CERTIFIES THAT _________________________________________________________________________
is the owner of _________________________________________________________________________ Units.


 


Each Unit (“Unit”)
consists of one (1) share of common stock, par value $0.0001 per share (“Common Stock”), of SPK Acquisition
Corp., a Delaware corporation (the “Company”) and one right (the “Right(s)”). Every
ten Rights entitles the holder thereof to receive one share of Common Stock upon the consummation of an the Company’s completion
of a merger, share exchange, asset acquisition, stock purchase, recapitalization, reorganization or other similar business combination
(“Business Combination”). The Common Stock and Rights comprising the Units represented by this certificate
are not transferable separately prior to the 90th day after the date of the prospectus relating to the closing of the Company’s
initial public offering (“IPO”), subject to earlier separation in the discretion of Chardan Capital Markets,
LLC, provided that the Company has filed with the Securities and Exchange Commission a Current Report on Form 8-K which includes
an audited balance sheet reflecting the Company’s receipt of the gross proceeds of the IPO and issued 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 [●], 2021, between the Company and Continental Stock Transfer & Trust Company, as the rights agent, and is
subject to the terms and provisions contained therein, all of which terms and provisions the holder of this certificate consents
to by acceptance hereof. A copy of the Rights Agreement is on file at the office of Continental Stock Transfer & Trust Company
at 1 State Street, New York, New York 10004 and is available to Rights holder on written request and without cost.


 


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


 


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


 


	By	 	 	 
	 	Chairman of the Board	 	Chief Executive Officer




 






    


     


    

 


SPK Acquisition Corp.


 


The Company will
furnish without charge to each stockholder who so requests, a statement of 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.


 


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	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	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.


 


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)
	 


 


____________________________________________________________________________ Units
represented by the within Certificate, and do hereby irrevocably constitute and appoint


 


____________________________________________________________________________ Attorney to transfer
the said Units on the books of the within named Company 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) SHOULD 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).	 



 


The holder(s) of this certificate shall
be entitled to receive a pro-rata portion of the funds from the trust account with respect to the common stock underlying this
certificate only in the event that (i) the Company is forced to liquidate because it does not consummate an initial business combination
within the period of time set forth in the Company’s Amended and Restated Certificate of Incorporation, as the same may be amended
from time to time (the “Charter”) or (ii) if the holder seeks to convert his shares upon consummation of, or sell his
shares in a tender offer in connection with, an initial business combination or in connection with certain amendments to the Charter.
In no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust account.