Watch List notes:

Mexico City, Mexico, cob 4 reales, 1731/0F, with chopmarks as from circulation in Asia. S-M26; KM-40a; CT-1028. 12.93 grams. Squarish flan with bold full date and oMF, nearly full shield and cross, very dark AVF with three odd crescent-shaped chops in center of shield.

Estimate: $150-225