Watch List notes:

(x) George III (1760-1820), 'Spade' Guinea, 1788, fifth laureate head right, rev. crowned 'spade' shield, seven strings to harp, edge milled, 8.38g, 12h (Farey 1270; EGC 713; Spink 3729), lightly toned, near extremely fine

Provenance
SCMB, April 1972 - G540 - EF