Watch List notes:

Potosi, Bolivia, cob 8 reales, 1728M, ex-Trastamara. 25.21 grams. Bold full pillars and cross (the latter slightly doubled), three dates, very darkly toned XF with hint of surface porosity (salvaged). Pedigreed to the Isabel de Trastamara collection (Aureo & Calico auction of May 2014, with original lot-tag #593).

Estimate: $250 - 375