Watch List notes:

Mexico City, Mexico, cob 1/2 real, 1620/19 D, very rare. S-M18; KM-unl; Cal-unl. 1.61 grams. Very rare variety with a retrograde z for the 2 in date. XF with corroded and cleaned surfaces yet most details readily visible including date, mintmark and full monogram.

Estimate: $125 - $200