^Lot 640 BOLIVIA, Potosí, cob 4 reales, 1652 E, transitional McLean Type I, ex-Ponte, Mastalir Plate.

BOLIVIA, Potosí, cob 4 reales, 1652 E, transitional McLean Type I, ex-Ponte, Mastalir Plate. S-P37; KM-A18; Cal-1109. 14.09 grams. Attractively toned XF with typical flat areas, off-center strike, nearly full interior details. Pedigreed to the Luis R. Ponte Collection and the Ponterio auction of March 1991 (lot 758), Plate Coin on page 34 of Mastalir's The Great Transition at the Potosí Mint 1649-1653: The 1652 Transitional Minor Denominations, 4, 2, 1 and 1/2 Reales (2016).