BULGARIA: Specimen of 1 Lev (1951) in brown on pale olive-green and orange unpt. Coat of arms at left on face. S/N: "AA 000000". Red diagonal ovpt "SPECIMEN" (in Bulgarian letters) at center. WMK: Hammer, sickle & "BNB". Printed by Goznak. Inside holder by PCGS "NEW 62 / Minor Stains / Mounting Remnants on Back". (Pick 80s) & (Kraptchev 78s).