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George III oval countermark on Mexico 1789 FM 4-Reales, Mexico City
George III (1760-1820), oval countermark upon Spanish Four Reales of King Charles III (1759-88), 1789 FM, struck in Mexico City, Mexico, small oval hallmark of George III right at centre of obverse, bust of Spanish King laureate and draped right, date below with stop either side, legend and toothed border surrounding, CAROLVS.III. DEI. GRATIA, rev. crowned quartered shield of arms, pillar with ribbon incuse motto either side PLUS VLTRA, legend surrounding, .HISPAN. ET IND. REX. M. 4R. F.M., mint letter with o above, weight 13.45g (Bull 1877; ESC 611; S.3767). Toned, host coin very fine, countermark extremely fine, a pleasing piece.
Provenance:
Ex Colin Adams, Collection of Halfcrowns, Spink Coin Auction 177, 1st December 2005, lot 571.
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.
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