Watch List notes:

COMMEMORATIVE MEDALS. BRITISH MEDALS. Charles II, Restoration 1660, "BRITANNIÆ", Copper Medal, by John Roettier, draped and armoured bust right, with short hair, signed JR below, AVGVSTISS CAROLO SECVNDO PP, rev Hercules, Minerva, Prudence, Peace and Mercury stand around an altar, supporting a shield with an image of Britannia, Plenty with a cornucopiæ reclines in the foreground, NVLLVM NVMEN ABEST, 62.5mm (MI 460/54; Eimer 214; vL II, 464). Very fine with deep brown patina.
MI does not record any examples in copper, however as the dies are in the British Museum there is the possibility that it is an early 19th century striking by the coin dealer Matthew Young.

Estimate: £250-350