Watch List notes:

Potosi, Bolivia, cob 8 reales, 1764V-Y, cut down to possible North African (Barbary) standard. 16.06 grams. Somewhat pentagonal due to precise clipping to reduce the piece to about 16 grams (like many we have seen), with cross and pillars bold and full, nicely toned Fine+. In circulation along the Barbary coast of North Africa there was a 15- to 16-gram silver coin known as a "30 para," minted in Tripoli in 1773, that could have been linked to these cut-down cobs. Bust 8R cut down to this weight are also known.

Estimate: $125 - 200