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Potosi, Bolivia, cob 8 reales, Philip IV, assayer R (Ramirez, 1646-8) over P (Peralta, 1646-7), extr

Currency:USD Category:Coins & Paper Money / Cobs - Potosi Silver Start Price:400.00 USD Estimated At:500.00 - 1,000.00 USD
Potosi, Bolivia, cob 8 reales, Philip IV, assayer R (Ramirez, 1646-8) over P (Peralta, 1646-7), extr
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Potosi, Bolivia, cob 8 reales, Philip IV, assayer R (Ramirez, 1646-8) over P (Peralta, 1646-7), extremely rare, Sedwick Plate. S-P31; KM-19a; Cal-Type 327. 23.41 grams. Bold full P-dot-R/P-dot to left of nearly full shield, most of crown above, good full cross, richly old-toned Fine with light old marks. This was the discovery piece that resulted in the first publication of assayer R by us in 1995 in the 3rd edition of The Practical Book of Cobs, p. 51, its photo appearing in the next edition. Plate Coin on page 104 of our Practical Book of Cobs (4th ed, 2007).