Bulgarian National Bank, specimen 100 leva, 1925, serial number A 0000000, blue, specimen 500 leva, 1925, serial number E 100001-E 300000, green and specimen 1000 leva, 1925, serial number A 000000, (Pick 46s, 47s, 48s, Kraptchev 45s2, 46s2, 47s2), ink date in top margin, perforated, good extremely fine and rare, the 1000 leva with annotation from the bank, unusual and interesting (3)