^Lot 629 Mexico City, Mexico, cob 1 real, 1620/19 (D/F), retrograde z for 2 in date, rare.

Mexico City, Mexico, cob 1 real, 1620/19 (D/F), retrograde z for 2 in date, rare. S-M18; KM-unl (27.2 for type); Cal-496. 3.32 grams. Round flan with off-center strike showing very bold full 16z/I (the z in retrograde) with last digit assumed (can only be 1620/19), flat where assayer should appear (known to be D/F for this overdate), richly toned VF with peripheral flatness, old scratches, and hairline edge-cracks. Pedigreed to the Clyde Hubbard Collection of Mexican silver cobs, accompanied by original tag or holder.