1918, Tsar Ferdinand, imperforated die proofs of 1st-10st, printed on thin chalk-surfaced paper, complete set of four, blocks of four, no gum as produced, NH, VF, Est. $600- $800

400.00

1959-78, Acrobatics 12st, Equestrian Sports 1st, Soccer 1st, three fantails (sheet margin singles imperforated between stamp and margin), in addition Soccer souvenir sheet with strong color misregistration, all with full OG,NH, VF, Est. $200-$300

150.00

1979, Centenary of the Bulgarian Postage Stamp, 5L multicolored, souvenir sheet numbered at bottom in block containing four sheets, numbers 02084, 05334, 08584 and 11834, housed in a souvenir folder, full OG, NH, VF, MiBlock 91, _E250, Est. $80-$100

50.00

1979, Centenary of the Bulgarian Postage Stamp, 5L multicolored, souvenir sheet numbered at bottom in block of four, three blocks, each one housed in a souvenir folder, full OG, NH, VF, Mi Block 91, _E750, Est. $200-$300 (website photo)

150.00