Watch List notes:

George III (1760-1820), Countermark Dollar (8-Reales), 1795-FM, Mexico City, laureate and draped bust right, oval countermark of George III in centre, rev. crowned square-topped shield dividing pillars (ESC 1852 (129); S.3765A; cf. Cal 689 for undertype), the host coin once lightly wiped, otherwise good very fine, countermark better still with attractive iridescent tone.

Estimate: £300 - £400