Argentina
Tierra del Fuego. Popper gold Gramo 1889 MS63 NGC, Buenos Aires mint, KM-Tn5, Janson-7. Choice Mint State and very lustrous. A charming private issue struck by adventurer Julius Popper, popular as an emergency issue since its inclusion in J. Medina's classic 1919 reference work "Las Monedas Obsidionales Hispanoamericanas". Very scarce in this choice quality.
Estimate: 2000-2500 USD