Watch List notes:

Great Britain, 1 dollar, octagonal George III countermark (1799-1804) on a Mexico bust 8 reales, Charles IV, 1799FM, PCGS AU53. Sp-3766; KM-656. Fully detailed countermark, lightly toned host with muted luster, popular issue that is scarce to rare in high grades. PCGS #34300732.

Estimate: $1500-2250