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.
Purchased from M. Louis Teller, October 1981.
This coin along with five others were purchased in England from Spink & Son. All are of the highest rarity. The pieces mentioned in Krause were added by this cataloger in the 1980's.