George III (1760-1820), Emergency Issues (2 January 1804), Octagonal-Countermark Dollar (8-Reales), 1797-FM, Mexico City, laureate and draped bust right, octagon countermark of George III in centre, rev. crowned square-topped shield dividing pillars, security edge, 26.63g, 11h (Bull 1868; ESC 138; Spink 3766), cleaned but residually lustrous, a bolder fine / near very fine, scarce.
Estimate: £250.00 - £350.00