Document:

Exhibit 4.2

 

	 	 	
        NUMBER C-

        SHARES SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP G8857S 116

 

THUNDER BRIDGE ACQUISITION II, LTD.

INCORPORATED UNDER THE LAWS OF THE CAYMAN ISLANDS

CLASS A ORDINARY SHARES

 

	This Certifies that	 
	 	 
	is the owner of	 

 

FULLY PAID AND NON-ASSESSABLE CLASS A ORDINARY SHARES OF
THE PAR VALUE OF $0.0001 EACH OF

 

THUNDER BRIDGE ACQUISITION II, LTD.

(THE “COMPANY”)

 

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

 

The Company will be forced to redeem all of its Class A
ordinary shares if it is unable to complete a business combination by            ,
2021 all as more fully described in the Company’s final prospectus dated          ,
2019.

 

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

 

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

 

	 	 	 	 	 
	Chief Executive Officer	 	[Corporate Seal]

Cayman Islands	 	Secretary

 

     

     

    

 

THUNDER BRIDGE ACQUISITION II, LTD.

 

The Company will furnish without charge to each shareholder
who so requests 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. 
This certificate and the shares represented thereby are issued and shall be held subject to all the provisions of the amended and
restated memorandum and articles of association 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         
	TEN ENT	 	—	as tenants by the entireties	 	 	(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.

 

For value received,                   
hereby sells, assigns and transfers 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 represented by the within Certificate, and does hereby irrevocably constitute and appoint
	 
	Attorney to transfer the said shares on the books of the within named Company with full power of substitution in the premises.
	 	 	 
	Dated: 	                  	                   

 

    2

     

    

 

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 UNDER THE SECURITIES ACT OF 1933, AS AMENDED).

 

In each case, as more fully described in the Company’s
final prospectus dated           , 2019, 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 its initial
public offering only in the event that (i) the Company redeems the Class A ordinary shares sold in its initial public
offering and liquidates because it does not consummate an initial business combination by            ,
2021, (ii) the Corporation redeems the Class A 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 to modify the substance
and timing of the Company’s obligation to redeem 100% of the Class A ordinary shares if it does not consummate and initial
business combination by            , 2021, or (iii) if the holder(s) seek(s) to
redeem for cash his, her or its respective Class A 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.

 

 

3Exhibit
4.3

 

[Form of
Warrant Certificate]

 

[FACE]

 

Number

 

Warrants

 

 

 

THIS
WARRANT SHALL BE VOID IF NOT EXERCISED PRIOR TO

THE
EXPIRATION OF THE EXERCISE PERIOD PROVIDED FOR

IN
THE WARRANT AGREEMENT DESCRIBED BELOW

 

THUNDER
BRIDGE ACQUISITION II, LTD.

Incorporated
Under the Laws of the Cayman Islands

 

CUSIP
G8857S 108

 

Warrant
Certificate

 

This
Warrant Certificate certifies that                     ,
or registered assigns, is the registered holder of warrant(s) evidenced hereby (the “Warrants”
and each, a “Warrant”) to purchase Class A ordinary shares, $0.0001 par value per share (“Ordinary
Shares”), of Thunder Bridge Acquisition II, Ltd., a Cayman Islands exempted company (the “Company”). Each
Warrant entitles the holder, upon exercise during the period set forth in the Warrant Agreement referred to below, to receive
from the Company that number of fully paid and non-assessable Ordinary Shares as set forth below, at the exercise price (the
“Exercise Price”) as determined pursuant to the Warrant Agreement, payable in lawful money (or through
“cashless exercise” as provided for in the Warrant Agreement) of the United States of America upon surrender
of this Warrant Certificate and payment of the Exercise Price at the office or agency of the Warrant Agent referred to below,
subject to the conditions set forth herein and in the Warrant Agreement. Defined terms used in this Warrant Certificate but
not defined herein shall have the meanings given to them in the Warrant Agreement.

 

Each
whole Warrant is initially exercisable for one fully paid and non-assessable Ordinary Share. No fractional shares will
be issued upon exercise of any Warrant. If, upon the exercise of Warrants, a holder would be entitled to receive a fractional
interest in an Ordinary Share, the Company will, upon exercise, round down to the nearest whole number of Ordinary Shares to be
issued to the Warrant holder. The number of Ordinary Shares issuable upon exercise of the Warrants is subject to adjustment upon
the occurrence of certain events set forth in the Warrant Agreement.

 

The
initial Exercise Price per Ordinary Share for any Warrant is equal to $11.50 per whole share. The Exercise Price is subject
to adjustment upon the occurrence of certain events set forth in the Warrant Agreement.

 

Subject
to the conditions set forth in the Warrant Agreement, the Warrants may be exercised only during the Exercise Period and to the
extent not exercised by the end of such Exercise Period, such Warrants shall become void.

 

Reference
is hereby made to the further provisions of this Warrant Certificate set forth on the reverse hereof and such further provisions
shall for all purposes have the same effect as though fully set forth at this place.

 

This
Warrant Certificate shall not be valid unless countersigned by the Warrant Agent, as such term is used in the Warrant Agreement.

 

     

     

    

 

This
Warrant Certificate shall be governed by and construed in accordance with the internal laws of the State of New York, without
regard to conflicts of laws principles thereof.

 

	 	THUNDER
    BRIDGE ACQUISITION II, LTD.
	 	 
	 	By:
    	 
	 	Name: 	Gary
    A. Simanson
	 	Title:
    	Chief
    Executive Officer
	 	 
	 	CONTINENTAL
    STOCK TRANSFER & TRUST CO.
	 	 
	 	By:	 
	 	Name: 	 
	 	Title:	 

 

[Signature
Page to Specimen Warrant]

 

    2

     

    

 

[Form of
Warrant Certificate]

 

[Reverse]

 

The
Warrants evidenced by this Warrant Certificate are part of a duly authorized issue of Warrants entitling the holder on exercise
to receive Ordinary Shares and are issued or to be issued pursuant to a Warrant Agreement dated as of                 ,
2019 (the “Warrant Agreement”), duly executed and delivered by the Company to Continental Stock Transfer
& Trust Company, a New York corporation, as warrant agent (the “Warrant Agent”), which Warrant Agreement
is hereby incorporated by reference in and made a part of this instrument and is hereby referred to for a description of the rights,
limitation of rights, obligations, duties and immunities thereunder of the Warrant Agent, the Company and the holders (the words
“holders” or “holder” meaning the Registered Holders or Registered Holder,
respectively) of the Warrants. A copy of the Warrant Agreement may be obtained by the holder hereof upon written request
to the Company. Defined terms used in this Warrant Certificate but not defined herein shall have the meanings given to them
in the Warrant Agreement.

 

Warrants
may be exercised at any time during the Exercise Period set forth in the Warrant Agreement. The holder of Warrants evidenced
by this Warrant Certificate may exercise them by surrendering this Warrant Certificate, with the form of election to purchase
set forth hereon properly completed and executed, together with payment of the Exercise Price as specified in the Warrant Agreement
(or through “cashless exercise” as provided for in the Warrant Agreement) at the principal corporate trust office
of the Warrant Agent. In the event that upon any exercise of Warrants evidenced hereby the number of Warrants exercised shall
be less than the total number of Warrants evidenced hereby, there shall be issued to the holder hereof or his, her or its assignee,
a new Warrant Certificate evidencing the number of Warrants not exercised.

 

Notwithstanding
anything else in this Warrant Certificate or the Warrant Agreement, no Warrant may be exercised unless at the time of exercise
(i) a registration statement covering the Ordinary Shares to be issued upon exercise is effective under the Securities Act
and (ii) a prospectus thereunder relating to the Ordinary Shares is current, except through “cashless exercise”
as provided for in the Warrant Agreement.

 

The
Warrant Agreement provides that upon the occurrence of certain events the number of Ordinary Shares issuable upon exercise of
the Warrants set forth on the face hereof may, subject to certain conditions, be adjusted. If, upon exercise of a Warrant,
the holder thereof would be entitled to receive a fractional interest in an Ordinary Share, the Company shall, upon exercise,
round down to the nearest whole number of Ordinary Shares to be issued to the holder of the Warrant.

 

Warrant
Certificates, when surrendered at the principal corporate trust office of the Warrant Agent by the Registered Holder thereof in
person or by legal representative or attorney duly authorized in writing, may be exchanged, in the manner and subject to the limitations
provided in the Warrant Agreement, but without payment of any service charge, for another Warrant Certificate or Warrant Certificates
of like tenor evidencing in the aggregate a like number of Warrants.

 

Upon
due presentation for registration of transfer of this Warrant Certificate at the office of the Warrant Agent a new Warrant Certificate
or Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee(s) in
exchange for this Warrant Certificate, subject to the limitations provided in the Warrant Agreement, without charge except for
any tax or other governmental charge imposed in connection therewith.

 

The
Company and the Warrant Agent may deem and treat the Registered Holder(s) hereof as the absolute owner(s) of this Warrant
Certificate (notwithstanding any notation of ownership or other writing hereon made by anyone), for the purpose of any exercise
hereof, of any distribution to the holder(s) hereof, and for all other purposes, and neither the Company nor the Warrant
Agent shall be affected by any notice to the contrary. Neither the Warrants nor this Warrant Certificate entitles any holder
hereof to any rights of a shareholder of the Company.

 

    3

     

    

 

Election
to Purchase

 

(To
Be Executed Upon Exercise of Warrant)

 

The
undersigned hereby irrevocably elects to exercise the right, represented by this Warrant Certificate, to receive             
Ordinary Shares and herewith tenders payment for such Ordinary Shares to the order of Thunder Bridge Acquisition II, Ltd. (the “Company”)
in the amount of $             in accordance with the terms hereof. The
undersigned requests that a certificate for such Ordinary Shares be registered in the name of                     ,
whose address is                     
and that such Ordinary Shares be delivered to                     
whose address is                     . If
said number of Ordinary Shares is less than all of the Ordinary Shares purchasable hereunder, the undersigned requests that a
new Warrant Certificate representing the remaining balance of such Ordinary Shares be registered in the name of                     ,
whose address is                     
and that such Warrant Certificate be delivered to                     ,
whose address is                     .

 

In
the event that the Warrant has been called for redemption by the Company pursuant to Section 6 of the Warrant
Agreement and the Company has required cashless exercise pursuant to Section 6.3 of the Warrant Agreement,
the number of Ordinary Shares that this Warrant is exercisable for shall be determined in accordance with subsection 3.3.1(b) and Section 6.3 of
the Warrant Agreement.

 

In
the event that the Warrant is a Private Placement Warrant or Working Capital Warrant that is to be exercised on a “cashless”
basis pursuant to subsection 3.3.1(c) of the Warrant Agreement, the number of Ordinary Shares that this
Warrant is exercisable for shall be determined in accordance with subsection 3.3.1(c) of the Warrant Agreement.

 

In
the event that the Warrant is to be exercised on a “cashless” basis pursuant to Section 7.4 of
the Warrant Agreement, the number of Ordinary Shares that this Warrant is exercisable for shall be determined in accordance with Section 7.4 of
the Warrant Agreement.

 

In
the event that the Warrant may be exercised, to the extent allowed by the Warrant Agreement, through cashless exercise (i) the
number of Ordinary Shares that this Warrant is exercisable for would be determined in accordance with the relevant section of
the Warrant Agreement which allows for such cashless exercise and (ii) the holder hereof shall complete the following: The
undersigned hereby irrevocably elects to exercise the right, represented by this Warrant Certificate, through the cashless exercise
provisions of the Warrant Agreement, to receive Ordinary Shares. If said number of Ordinary Shares is less than all of the
Ordinary Shares purchasable hereunder (after giving effect to the cashless exercise), the undersigned requests that a new Warrant
Certificate representing the remaining balance of such Ordinary Shares be registered in the name of                     ,
whose address is                     
and that such Warrant Certificate be delivered to                     ,
whose address is                     .

 

[Signature
Page Follows]

 

	Date:                     
    , 20    	 
	 	(Signature)
	 	 
	 	 
	 	 
	 	 
	 	(Address)
	 	 
	 	 
	 	(Tax Identification Number)
	 	 
	Signature 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 (OR
ANY SUCCESSOR RULE)).

 

 

4

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