Exhibit 4.1


 


NUMBER UNITS


U-


 


SEE REVERSE FOR CERTAIN


DEFINITIONS


 


CUSIP [●]


 


DOUBLE EAGLE ACQUISITION CORP.


 


UNITS CONSISTING OF ONE CLASS A ORDINARY
SHARE AND ONE WARRANT TO PURCHASE


ONE-HALF 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 (“Ordinary Share”), of Double Eagle Acquisition Corp.,
a Cayman Islands exempted company (the “Company”), and one warrant (the “Warrant”).
Each warrant entitles the holder to purchase one-half (1/2) of one Ordinary Share (subject to adjustment) for $5.75 per half 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”), or (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 Warrants first become exercisable, 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 ____________, 20___, unless Deutsche Bank Securities
Inc. elects to allow separate trading earlier, 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
offering and issuing a press release announcing when separate trading will begin.  The terms of the Warrants are governed
by a Warrant Agreement, dated as of _____________, 2015, 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 17 Battery Place, New York, New York 10004, and are available to any Warrant holder on written request and
without cost.


 


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 signature of its duly
authorized officers.


 


 


	 	 	 
	Secretary	 	President


 




     


    


    




Double Eagle 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 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
	 	 	 	 	 	 	___________
	TEN ENT	—	as tenants by the entireties	 	 	 	(Cust)
	 	 	 	 	 	 	(Minor)
	 	 	 	 	 	 	Under Uniform Gifts to Minors
	JT TEN	—	as joint tenants with right of survivorship 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)
	 
	 
	 
	 
	 	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 Corporation 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).