The Lissner Collection, Lot: 58. Estimate $5000. Sold for $27500. This amount does not include the buyer’s fee.

BULGARIA, Principality. Ferdinand I. 1887-1908. Proof AR 5 Leva (37mm, 25.03 g, 12h). Körmöcbánya (Kremnitz) mint. Dated 1894 KB. KM 18; Y 159. In NGC encapsulation graded PF 67 WINGS APPROVED. Gem mottled toned proof with beautiful iridescence. Of the highest rarity and the only proof of this date ever certified by NGC.