Watch List notes:

(g) NGC MS62 | Switzerland, Gold 20-Francs, 1889 B, Bern, raised lettered edge, 6.45g, 7h (KM 31.3; Fb. 495), superficial surface marks, otherwise lustrously choice, good extremely fine and much as issued, in NGC holder, graded MS62 (#3602418-016).
Provenance
Heritage, 'Weekly Auction' 231314, 4 April 2013, lot 61187 - $350
Estimate: £300 - £350