Watch List notes:

Potosi, Bolivia, cob 8 reales, 1642, assayer not visible, rare. KM-19a. 26.45 grams. Clear date but rest of coin crude, with much flatness and some surface corrosion and even a few spots of bright brassy color (debased silver), VG or so for wear. Pedigreed to the Ponterio auction of October 1994, with original lot-tag #874.

Estimate: $200