Exhibit 4.1



















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  |  |                     | under Uniform Gifts to Minors
|        |   | survivorship and not
    as tenants |  |                     | Act                           |          
|        |   | in common                           |  |                     |                               | (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 TYPE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)




























Sharesof
the stock represented by the within Certificate, and do hereby irrevocably constitute and appoint










Attorney
to transfer the said stock 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
    WHATSOEVER.





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 SEC Rule 17Ad-15.





THE
CORPORATION WILL FURNISH TO ANY STOCKHOLDER, UPON REQUEST AND WITHOUT CHARGE, A FULL STATEMENT OF THE DESIGNATIONS, RELATIVE RIGHTS,
PREFERENCES AND LIMITATIONS OF THE SHARES OF EACH CLASS AND SERIES AUTHORIZED TO BE ISSUED, SO FAR AS THE SAME HAVE BEEN DETERMINED,
AND OF THE AUTHORITY, IF ANY, OF THE BOARD TO DIVIDE THE SHARES INTO CLASSES OR SERIES AND TO DETERMINE AND CHANGE THE RELATIVE
RIGHTS, PREFERENCES AND LIMITATIONS OF ANY CLASS OR SERIES. SUCH REQUEST MAY BE MADE TO THE SECRETARY OF THE CORPORATION OR TO
THE TRANSFER AGENT NAMED ON THIS CERTIFICATE.








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