1927 "Compagnie Internationale de Navigation Aerienne" (CIDNA), imperforate, non-denominated engraved proof in dark blue, never issued, block of four, v.f. (Image)

Est.$250

1927 overprints, set of two, well centered, used on registered and cacheted coverfront, v.f., signed Roumet (catalogued as used) cat. $450 (Cat No. C1-2) (Image)

Cat. $450, Est.$150

1930 1.50fr ultramarine, sheet margin single, n.h., v.f., signed Brun (YT Euro 800) cat. $450 (Cat No. C6d) (Image)

Cat. $450, Est.$150

1936 50fr emerald, small h.r., v.f., cat. $850 (Cat No. C14) (Image)

Cat. $850, Est.$150

1955 Maryse Bastie, 50fr selection of five different printers color die proofs, plus artist die proof in violet, as well as perforated single, block of four and two cacheted FDCs, v.f. (Cat No. C33P) (Image)

Est.$300