Lot 51257 – Monaco: 1948 Olympic issue group of 37 die proofs, with the set in black

Monaco: 1948 Olympic issue group incl. 37 die proofs, with the set in black with “Atelier de Fabrication des Timbres-Poste. PARIS” legend with minor foxing, artist signed proof of the 5F+5F in green, and the rest in sheetlets in different colours but heavily toned (potentially able to be cleaned to bring back the white paper), plus the set in imperf. corner marginals and set in imperf. pairs (heavily toned gum).