Obverse:

ELIZABETH D G ANG FR ET HI REGINA. Crowned bust with rose behind.

Reverse:

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

Some trace of green wax, about very fine, toned and the pairing very rare. Seemingly unlisted in Greenhalgh.

From the A. Monk Collection [bt Seaby 1967]