GERMANY (1929) Eagle*. Postal card with cancelation of Fliegerlager Wasserkuppe.
AVAILABLE AT $20
ALLEMAGNE (1938) Planeur*. Oblitération illustrée commémorative de Gersfeld (Rhöngeb). "Ville des planeurs, station estivale, sports d'hiver."
AVAILABLE AT $15
PHILIPPINES (1926) Biplane*. Fancy cancel from Manila (US administration). 4 strikes in black on envelope marked "UNKNOWN" and "RETURN TO SENDER". Very unusual!
AVAILABLE AT $120