Bolivia 1775-PTS JR real
This is an example of a type struck 1773-89 at Potosi, Bolivia (then called Upper Peru). It was replaced in 1791 by the bust of Charles IV. Harris notes that Potosi one reales of Charles III are nearly tied with Mexico City as the commonest mint. Assayer JR is recorded for 1767-76.
Recorded mintage: unknown but common.
Specification: 3.38 g, .903 fine silver, .098 troy oz ASW.
Catalog reference: KM 52, Cal-1608.
- Harris, Robert P., Pillars & Portraits, San José, CA: Bonanza Press, 1968.
- Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.