Watch List notes:

Argentina (River Plate Provinces), La Rioja mint, 4 soles, 1832 P, NGC MS 63 ("top pop"). Janson-40; KM-22. Muted luster with toning (including diagonal dark streak through center), minor natural flaw in center of shield, tied with one other for finest in current NGC census, notably superior to the Pat Johnson example.

Estimate: $2000 - $3000