Watch List notes:

Potosi, Bolivia, cob 4 reales, 1733E/YA, retrograde E/YA to right of cross, very rare. S-P46; KM-30a for Type. 13.70 grams. Bold VF+ with full waves and one full pillar, nearly full cross, light sediment on pillars side and spotty black toning on cross side, bold full retrograde E over traces of assayer YA (the over-assayer only on cross side), a very rare transition recorded as #93 in Paoletti's Re-engraving Assayer's Initials in Potosi Cobs (2014).

Estimate: $500-1000