Watch List notes:

Potosi, Bolivia, cob 2 reales, 1738/7M, unique. S-P47; KM-unl (type 29a). 6.58 grams. Choice XF (non-toned, with muted luster) with bold full pillars and cross, three assayers and two dates (the clear overdate actually 8/8/7, first specimen we have recorded). (Estimate: $200 - 300)