1936 surcharges, set of three, used on flown cover from Harper (28.II) to Monrovia, fine (catalogue value for used off cover) cat. $825 (Cat No. C1-3) (Image)

Cat. $825, Est.$250

1936 surcharges, set of three used on two first flight (28.11) covers from Monrovia to Harper, Cape Palmas, filing folds away from the stamps, fine-v.f., with Holcombe cert. (Cat No. C1-3) (Image)

Est.$250

1936 surcharges, 6c on 3c, 6c on 1c green (official), bar at top, "air mail" double, also handstamped in brown lake "via Air Mail six cents" on 2c violet, all used on flown cover from Monrovia (28.II) to Cape Palmas, with Harper arrival pmk the same day, v.f., signed Diena, rare (Cat No. C1-3) (Image)

Est.$750