Watch List notes:

COINS, EUROPEAN TERRITORIES, ISLE OF MAN George III (1760-1820), Copper Penny, 1786, laureate head right, date below, rev Triune, edge grained (Pr 16; S 7413; KM 9). Die break through the date, light tone, almost as struck.
ex Spink Numismatic Circular, August 2000, item 3343

Estimate: £200-300