Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)ZIII (1623), assayer T, quadrants of cross transposed, very rare. 26.93 grams. Very bold full ZIII of date, full but partially weak cross (with "flat" lions), nice full shield, bold assayer and king's ordinal III, nicely toned AVF.

Estimate: $700 - 1000