Stack's Bowers Galleries (& Ponterio) > Collector's Choice November 2022 AuctionAuction date: 14 November 2022
Lot number: 71036

Price realized: 320 USD   (Approx. 310 EUR)   Note: Prices do not include buyer's fees.
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Lot description:


BOLIVIA. Cob 4 Reales, ND (1578-86)-P. Potosi Mint; Unknown Assayer (C). Philip II. PCGS Genuine--Holed, VF Details.
KM-4.2; Cal-524. Weight: 13.45 gms. A charming cob with an intriguing assayer. A rather small and unobtrusive hole can be seen at 3 o'clock on the obverse. Between the mintmark and assayer, a muddled area conceals the prior assayer's marking. Large portions of the legend are readable on both sides, and the coin has a pleasing pewter-gray tone overall.

This assayer "C", whose name is unknown, started engraving his initial on dies bearing the "B" of Ballesteros sometime during the latter's term as assayer, 1578-1586. A faintly covered "B" is visible between the mintmark and initial "C" on his issues. This mysterious assayer did not last long at the Potosi mint, apparently, as Ballesteros soon thereafter began adding his initial over that of "C".

To view all items from the Pat Johnson Collection, click here.

From the Pat Johnson Collection.

Ex: Kagin's ANA Auction (8/1983) Lot # 1101.

Estimate: $200 - $300