Watch List notes:

(g) NGC MS64 | Chile, Republic, Gold 2 Condores or 20-Pesos, 1926-So, Santiago, edge milled, 4.06g, 6h (KM 168; Fb. 56), frosted and choice, much as issued, in NGC holder, graded MS64 (#2780683-018).
Provenance
Heritage, 'Weekly Auction' 231308, 21 February 2013, lot 60083 - $190
Estimate: £180 - £220