Watch List notes:

Great Britain, 1/2 dollar, oval George III countermark (ca. 1797) on obverse of a Madrid, Spain, bust 4 reales, Charles IV, 1795 MF, NGC AU 53. Sp-3767; KM-622.1. Richly rainbow toned over luster, the countermark full and not too deeply punched, far scarcer than the dollar size.

Estimate: $1000 - $1500