Watch List notes:

BRITISH COINS, Ireland, George III (1760-1820), Copper Penny, 1805, laureate and draped bust right, rev crowned harp, date below, edge grained (DF 590; S 6620). Practically full lustre, small spot on reverse, otherwise prooflike mint state and the finest example we have come across.
ex Spink Numismatic Circular, vol CXVII, no.3, July 2009, item MC3509

Estimate: £800-1000