Bulgaria: Highly rare SPECIMEN set of the 1951 Goznak series comprising 1, 3, 5, 10, 25, 50 and 100 Leva 1951 with russian overprint Specimen, P.80s-86s. Very soft vertical fold on the 1 Lev, all other notes in perfect uncirculated. Condition: aUNC/UNC (7 pcs.)