George III (1760-1820), Proof Penny, 1806 (late Soho), in bronzed-copper, edge centre-grained, 12h (BMC 1323 [KP 30]; Selig 1300; S 3780). Virtually as struck £500-600

Slabbed in NGC holder, graded PF 65 BN

The coin is in bronzed-copper, the references BMC 1323 [KP 30], Selig 1300