^Lot 599 Mexico City, Mexico, cob 1/2 real, 1610 F, assayer to left, x-fleur-x below monogram, extremely rare

Mexico City, Mexico, cob 1/2 real, 1610 F, assayer to left, x-fleur-x below monogram, extremely rare, NGC VF 35. S-M17; KM-21; Cal-393. 1.67 grams. Seldom-seen variety with assayer F to left (known only for 1610 and 1611/0) and x-fleur-x below (1610-2), with faint but certain 0 of date visible but the date and variety not noted on label, good but off-center cross, flat peripheries, lightly toned. Pedigreed to the Clyde Hubbard Collection. Please use this link to verify the certification number