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.

About very fine, light tone, exceptionally rare.  

Ex W. Wilkinson Collection bt Baldwins Auction, 4 Jun 2016 - Lot 180 (Part)