Lot 621 Laos

IMPRIMERIE - Proof sheets issued in Paris of each stamp as issued imperf (similar to Epreuve De Luxe) 1963-1972 plus blocks of 4 imperf for many issues for the period includes 41 sheets plus many imperf blocks in fours for each set noted 1970 Expo., 1970 Animals (2nd series), 1972 Air Festival, 1952 Air Mythology, 1972 Unicef, 1965 Butterflies set, 1970 UNO etc, beautiful lot, STC £1100+.