George III (1760-1820), oval countermark upon Spanish Eight Reales of King Charles IIII (1788-1808), 1795 FM, struck in Mexico City, Mexico, small oval hallmark of George III right to left of centre of obverse, bust of Spanish King laureate and draped right, date below, legend and toothed border surrounding, CAROLVS.IIII. DEI. GRATIA, rev. crowned quartered shield of arms, pillar with ribbon incuse motto either side PLUS VLTRA, legend surrounding, .HISPAN. ET IND. REX. M. 8R. F.M., mint letter with o above, 27.07g (Bull 1852; ESC 129; C&R 1069; S.3765A). Toned, more so around periphery resulting from some prior cleansing, coin and countermark extremely fine with some stress striations from countermarking on neck of bust on host coin adjacent to countermark, graded by NGC as UNC Details (Obverse Cleaned).

NGC Certification 6674855-003

The initials F and M at the end of the reverse legend represent the names of the Mint Assayers who were Francisco Arance Cobos and Mariano Rodriguez.

Provenance:
Ex Spink Numismatic Circular, December 2008, item MS8701.

Estimate: £ 300 - 400