Watch List notes:

COMMEMORATIVE MEDALS, BRITISH HISTORICAL MEDALS, A Georgian Engraved Brass Badge or Medal, 1755, a Caesar-like laureate bust left, J D D & M R, rev King crowned and enthroned on rocks holding sceptre and orb, before him a crowd of people, W X & ????? (the second set of initials obliterated), date below exergual line, border around, 39mm. Small piercing at top, obverse very fine, reverse nearly so.
The cataloguers are unable to offer any explanation for this curious piece.

Estimate: £80-120