Watch List notes:

Potosi, Bolivia, cob 2 reales, 1652 E transitional, McLean Type V/B (Mastalir 1-B), very rare, Mastalir Plate. S-P37; KM-A16.2; Cal-916. 7.71 grams. Broad flan with good full pillars and cross-lions-castles but peripheries flat, clear F-2-IIII in top row and E-2-E in bottom row, bold date below cross plus hint of second date in pillars-side legend, salvaged AU with traces of dark encrustation in crevices. Pedigreed to the Jorge Ugaz collection, Plate Coin on page 108 of Robert Mastalir's The Great Transition at the Potosi Mint, 1649-1653, The 1652 Transitional Minor Denominations 4, 2, 1 and 1/2 reales (2016).
($500-750)