Exhibit 4.1

For Value Received, ___________ hereby sell, assign and transfer unto __________________________________________________________ Shares represented by the within Certificate and do hereby irrevocably constitute and appoint _______________________________________________ Attorney to transfer the said Shares on the books of the within named Corporation with full power of substitution in the premises.

Dated ___________________

In presence of ________________________________

NOTICE: THE SIGNATURE OF 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.