Watch List notes:

Isle of Man, George III (1760-1820), Penny, 1786, laureate head right, rev. triskelion, grained edge (Pr.16; S.7413), extremely fine, with some lustre.

Frederick Brooks Collection, SNC, December 1971, no. 11522 ('This coin is in incredibly good condition'.)
Estimate: £200.00 - £250.00