Argentina
Republic silver Unofficial Restrike Pattern Peso 1880 UNC Details (Cleaned) NGC, KM-Pn20, Janson-31. A lovely restrike Peso, of which Janson, pg. 297 states that there are "no originals known", displaying a heavy die shift on both the obverse and reverse, together with a delightful marbling of russet tone and faint concentric die polish lines.
From the Engelen Collection of World Coinage
HID02901242017
Estimate: 500-600 USD