Exhibit 4.1

The Corporation will furnish to any stockholder, upon request and without charge, a full statement of the powers, designations, preferences, limitations, and relative, participating, optional, or other special rights of each class or series of stock of the Corporation 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	UTMA	–		Custodian
TEN ENT	–	as tenants by entireties			(Cust)				(Minor)
JT TEN	–	as joint tenants with right of survivorship and not as tenants in common			under Uniform Transfer 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 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.

SIGNATURE GUARANTEED

ALL GUARANTEES MUST BE MADE BY A FINANCIAL INSTITUTION (SUCH AS A BANK OR BROKER) WHICH IS A PARTICIPANT IN THE SECURITIES TRANSFER AGENTS MEDALLION PROGRAM (“STAMP”), THE NEW YORK STOCK EXCHANGE, INC. MEDALLION SIGNATURE PROGRAM (“MSP”), OR THE STOCK EXCHANGE’S MEDALLION PROGRAM (“SEMP”) AND MUST NOT BE DATED. GUARANTEES BY A NOTARY PUBLIC ARE NOT ACCEPTABLE.

This certificate also evidences and entitles the holder hereof to certain Rights as set forth in a Rights Agreement between the Corporation and                     , as Rights Agent, dated as of                     , 2005, as it may from time to time be amended or supplemented pursuant to its terms (the “Rights Agreement”), the terms of which are hereby incorporated herein by reference and a copy of which is on file at the principal executive offices of the Corporation. Under certain circumstances, as set forth in the Rights Agreement, such Rights will be evidenced by separate certificates and will no longer be evidenced by this certificate. The Corporation will mail to the holder of this certificate a copy of the Rights Agreement without charge after receipt of a written request therefor from such holder. Under certain circumstances, Rights that are or were acquired or beneficially owned by an Acquiring Person or any Affiliate or Associate thereof (as defined in the Rights Agreement) may become null and void.