CNG 100, Lot: 990. Estimate $1500. Sold for $10000. This amount does not include the buyer’s fee.

SWITZERLAND, Schweizerische Eidgenossenschaft. 1848-present. Proof Pattern AV 20 Francs (21mm, 6.47 g, 6h). Brussels mint. Dated 1873. Helvetia seated left, holding sword and resting arm on shield; tree stump behind, mountains in background / HMZ 2-1227a; KM Pn26. Proof, some hairlines.

From the collection of Dr. Lawrence A. Adams.