Watch List notes:

Mexico City, Mexico, cob 1/2 real, 1733F. S-M26; KM-24a. 1.65 grams. Bold full oMF and 173 of date with clear final digit (decidedly not the more-common 3/2), nearly full monogram, off-center cross, choice XF, very lightly toned.

Estimate: $200-300