Watch List notes:

Mexico City, Mexico, cob 8 reales, 1631/0/29 D, exaggerated fleurs at ends of cross, extremely rare. S-M18a; KM-unl; Cal-unl. 27.37 grams. Dark Fine with nearly full shield and cross but peripherally flat, full oMD, right half of 6 and part of 3/2 of date, the last digit 1/0/9 very weak but inferred from the distinctively exaggerated fleurs at the ends of the cross that are apparently an aspect of the date 1631 only (also there are known examples of non-overdate 1630 with normal crosses).
($300-450)