Watch List notes:

George III (1760?1820), Pattern Halfpenny, 1799, struck in bronzed copper, early Soho, small laureate and draped bust right, K. on shoulder, reverse inverted die axis, Britannia seated left, date below, edge grained (BMC 1234, KH16; S 3778). As struck. Encapsulated by NGC as Proof 64 BN.