BHM 4266, W&E 5697.
51mm. Silver. 56.9g. Unsigned but thought to be by J. Fray.
Obverse with conjoined busts, reverse with the British Lion before an outlined 3/4 length figure of Britannia, border around.
Once cleaned but now nicely retoned, otherwise Extremely Fine and housed in fitted case of issue. Extremely rare.