Watch List notes:

Potosi, Bolivia, cob 1 real Royal, 1759q, very rare. 2.84 grams. Very bold full cross and pillars (much better strike than on regular issues and on an even flan), two dates and assayers, toned AXF with plugged hole at top (somewhat crude overall). Pedigreed to the Ponterio auction of October 1991 (lot #252).

Estimate: $600 - 900