1935 Barranquilla Olympics, complete set of sheet margin singles, n.h., post office fresh, mostly v.f., seldom offered in such superior quality (catalogued as hinged) cat. $1225 (Cat No. 421-436) (Image)

Cat. $1225, Est.US$500

1920 10c Plane at Rest, unused without gum as issued, fresh and v.f., signed Calves, etc. Only 41 unused examples have been recorded, cat. $4500 (Cat No. C9) (Image)

Cat. $4500, Est.US$2,000