Watch List notes:

Potosi, Bolivia, 4 soles, 1857 FJ, CONSTITUCIO variety (rare), NGC AU 58, finest known in NGC census. KM-123.2. Good luster, bold legends and rims, the centers a trifle weak, desirable top-grade example. NGC #6442565-001. Pedigreed to the Bernal Collection (stated on label).
($350-500)