^Lot 283 BOLIVIA, Potosí, cob 4 reales, 1652 E, transitional McLean Type I, ex-Mastalir (Plate).

BOLIVIA, Potosí, cob 4 reales, 1652 E, transitional McLean Type I, ex-Mastalir (Plate). S-P37; KM-A18; Cal-1109. 7.05 grams. Curiously heart-shaped flan (oval with edge split) with bold full left-hand pillar and clear E-4-(E) across bottom, the shield corroded and off center but with clear date 52 to right, toned on fields. Pedigreed to the Roberto Mastalir Collection, with his tag, plated on page 38 of his 2016 book The Great Transition at the Potosí Mint 1649-1652, The 1652 Transitional Minor Denominations 4, 2, 1 and 1/2 Reales. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador