Argentina (Buenos Aires)
Buenos Aires, Argentina, 10 decimos, 1827, NGC MS 61 BN, ex-O'Brien.Janson-6.3; KM-4.Bold strike, very darkly toned but with traces of original color and luster around eagle, nice smooth fields, minor natural flaw (vertical) on left side of reverse but essentially no wear or marks.Pedigreed to the John O'Brien collection (stated on label).
Estimate: 250-375 USD