The Lissner Collection, Lot: 60. Estimate $750. Sold for $5500. This amount does not include the buyer’s fee.

BULGARIA, Principality. Ferdinand I. 1887-1908. Proof AR Lev (23mm, 4.97 g, 6h). Körmöcbánya (Kremnitz) mint. Dated 1891 KB. KM 13; Y 13. In NGC encapsulation graded PF 66 WINGS APPROVED. Superb gem proof with original iridescent patina of various hues and colors. We know of no other specimen and this is the only one ever graded.