1920 10c Woman and Boy Watching Plane, used on piece, margins all around, little toning at upper right, otherwise v.f., with handstamp guarantee on reverse, cat. $1875 (Cat No. C2) (Image)

Cat. $1875, Est.$750

1920 Lighthouse, unused without gum as issued, h.r., v.f., signed Brun, Champion, etc., only 50 unused examples have been recorded, cat. $3000 (Cat No. C6) (Image)

Cat. $3000, Est.$2,000

1920 10c "Ocean Liner and Biplane", used on First Flight 22 Feb 1920 cover from Cartagena to Barranquilla, tied by "C.C.N.A/Cartagena" oval, additionally franked with National Post 3c with Cartagena cds, minor adhesive residue, v.f., signed Diena, Bloch, etc., ex-Schoendorf. A fine example of this vignette on cover, cat. $2000 (Cat No. C10) (Image)

Cat. $2000, Est.$1,000

1932 overprints, blocks of four, n.h., but usual dried gum, fine-v.f., cat. $1212 (Cat No. C83-95) (Image)

Cat. $1212, Est.$300