The Lissner Collection, Lot: 1071. Estimate $500. Sold for $600. This amount does not include the buyer’s fee.

SWEDEN. Oscar I. 1844–1859. AR 50 Öre (22mm, 4.23 g, 12h). Stockholm mint. Lea Ahlborn and Sebastian Tham, engravers. Dated 1857 LA ST. KM 691; Tingström 24. In NGC encapsulation graded MS 65. Superb choice brilliant uncirculated with the faintest hint of iridescent patina. A one year only type and the only specimen ever graded. Extremely rare, especially this nice.