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.
Purchased from M. Louis Teller, October 1981.