Watch List notes:

Potosi, Bolivia, cob 8 reales, 1657 E, pomegranate above pillars, denomination 8 above cross, Royal die (unique). S-P37a; KM-21; Cal-1519. 26.15 grams. Well-detailed full pillars-and-waves and cross-lions-castles, well-centered and evenly struck VF on a non-Royal flan, the pillars-side die a match with Lazaro 149, including a solid inner ring, but the cross side not a match (close to Lazaro 155 but with assayer-mintmark transposition error).
($500-1000)