Watch List notes:

Potosi, Bolivia, cob 4 reales, 1755(q).S-P54; KM-39; Cal-412.13.76 grams.Chunky flan with sharply sheared edge terminating in several points (as made), hairline edge-split, nearly full cross and pillars with bold date, nicely toned VF with typical surface roughness near edge on opposing sides.
($200-300)