b'103ex 789789P PROOFS: 1982-3 (SG.438-51) Corals: complete set of Courvoisiers original colour separations and completed designs (without denominations), all IMPERFORATE and affixed to the official Archival pages [#1869, 1887, 1988 & 1901]. as issued, except the 15t which was developed as a 3t issue and the 30t with changed name in Latin. A superb and Unique complete set. (76 items). $4,0005,000'