Honduras (struck in Paris), proof copper pattern 1 real, 1870 (TASSET), rare, encapsulated PF 64 BN, finest and only specimen in NGC census, ex-Richard Stuart (as stated inside slab). KM-Pn10a. Lustrous and lightly rainbow toned, hard to imagine one finer. NGC #4427714-005. Pedigreed to the Richard Stuart collection. (Estimate: $700 - 1000)