Great Britain, 1 dollar, oval George III countermark (1797-99) on a Mexico City, Mexico, bust 8 reales, 1795FM, NGC AU 55, c/s AU standard. Sp-3765A; KM-634. Exceptionally deep and fully detailed countermark (nearly breaching the reverse surface), choice-grade host with muted luster and light rainbow toning all over. NGC #4432785-010. Pedigreed to the James Bevill collection.
Estimate: $700-1000