The Lissner Collection, Lot: 61. Estimate $750. Sold for $7500. This amount does not include the buyer’s fee.

BULGARIA, Principality. Ferdinand I. 1887-1908. Proof AR Lev (23mm, 5 g, 6h). Körmöcbánya (Kremnitz) mint. Dated 1894 KB. KM 16; Y 13a. In NGC encapsulation graded PF 66. Deeply toned original proof with frosted relief. Superb gem. Of the highest rarity and the only specimen of which we are aware.