Obverse:

ELIZAB D G ANG FR ET HIB REGI. Crowned bust 6C l. with rose behind.

Reverse:

POSVI DEV ADIVTOREM MEV. Square topped shield over long cross fourchee dividing the legend. Date above.

Creased and straightened otherwise about fine, exceptionally rare. Obverse die match to Wilkinson's E778, showing the obverse overmark more clearly.  

Ex W. Wilkinson Collection bt Sep 1999