Argentina (Buenos Aires)
Buenos Aires, Argentina, 10 decimos, 1830, NGC MS 62 BN, ex-O'Brien.Janson-8.1; KM-4.Attractive chocolate-brown color with traces of orange, choice (well-detailed) but slightly off-center strike, second finest known in NGC census behind a single MS 63 in RB (red-brown).Pedigreed to the John O'Brien collection (stated on label).
Estimate: 300-450 USD