Watch List notes:

Guatemala, 50 centavos, 1870R, NGC AU 58, ex-Dana Roberts (stated on label). KM-195. 12.46 grams. Light rainbow toning (somewhat splashy on reverse) over muted luster, slight high-point wear but no marks. NGC #2741430-009. Pedigreed to the Dana Roberts collection.

Estimate: $150-225