LESOTHO (1983) Montgolfier balloon*. Set of 6 progressive proofs showing addition of each color, with final one showing stamp as issued. Scott No 403, Yvert No 545.
AVAILABLE AT $75
FRANCE (1982) Balloon*. Jules Verne. Red Cross. Scott No B548. Yvert No 2247. Scene from "Five Weeks in a Balloon." Trial Color Plate Proofs in strip of 5.
AVAILABLE AT $120