1979-96 Attractive assembly of one hundred & fifty-five (155) imperforates and progressive proofs, all originating from the Courvoisier Archive and are described as follows: 1979-96 Assembly of imperforates and progressives proofs of six sets or min.sheets printed during this period showing various themes (107) 1990 Falcon: The set of 14 values imperforate plus two complete progressive proofs and only changed background and changed black for the other values, on two album pages (48) Estimate € 15’000/20’000