EXHIBIT 4.1
NOT VALID UNLESS COUNTERSIGNED BY TRANSFER AGENT
INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE
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CUSIP No. 09059N 10 0
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NUMBER SHARES
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BIOENVISION, INC.
COMMON STOCK
PAR VALUE: $.001
THIS CERTIFIES THAT
IS THE RECORD HOLDER OF
Shares of BIOENVISION, INC. Common Stock
transferable on the books of the Corporation in person or by duly authorized
attorney upon surrender of this Certificate properly endorsed. This Certificate
is not valid until countersigned by the Transfer Agent and registered by the
Registrar.
Witness the facsimile seal of the Corporation and the
facsimile signatures of its duly authorized officers.
Dated:
__________________________ [CORPORATE SEAL] __________________________
DIRECTOR PRESIDENT
NOTICE: Signature must be guaranteed by a firm which is a member of a registered
national stock exchange, or by a bank (other than a saving bank), or a
trust company. 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 ----------------------------
JT TEN - as joint tenants with right of (Cust) (Minor)
survivorship and not as tenants
in common under Uniform Gifts to Minors
Act
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(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
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________________________________________________________________________________
(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)
________________________________________________________________________________
________________________________________________________________________________
_________________________________________________________________________ Shares
of the capital 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 WHATEVER