Penny 1806 Copper Proof, the base of the 1 missing and the 0 open at the top, Peck 1327 KP31 nFDC and attractively toned, in an LCGS holder and graded LCGS 88, Ex-London Coins Auction A107 November 2004 Lot 1137 hammer price £220
Estimate: 350-450 GBP