^Lot 1419 Potosi, Bolivia, cob 8 reales, 1652 E Transitional Type IV/A, ex-Mastalir (Plate Coin).

Potosi, Bolivia, cob 8 reales, 1652 E Transitional Type IV/A, ex-Mastalir (Plate Coin). S-P37; KM-A20.4; Cal-1493. 12.88 grams. Corroded thin edges yet with full pillars and shield if a little weak, small natural edge split, patch of dark toning. With certificate, pedigreed to the Roberto Mastalir Collection (Sedwick Auction 20, with original lot-tag 1771), Plate Coin [Mastalir IV.1-A.ad1(1)3] on page 88 of his book The Great Transitional at the Potosi Mint 1649-1653: The 1652 Transitional 8 Reales (2015). From: Capitana, sunk in 1654 off Chanduy, Ecuador