Lot 40068 – 1901 Duke Ferdinand definitives collection of 142

1901 Duke Ferdinand definitives collection of 142 essays and proofs, with perf. die proofs of the centre and upper denomination in blocks of four, imperf. die proofs of the same on card with some overprinted “Obrazets”, frame imperf. die proofs, imperf. 10St and 5St se-tennant pairs, nine 25St die proofs in an unadopted design in different colours showing the Tsar wearing a hat, and eight differently coloured sets with each value in the same colour, etc., many with cert. Sismondo and/or Karaivanov, plus some later issue present, an ideal foundation for an exhibit collection of this attractive issue (180+) (Est. CHF 2’000/3’000)