拍品 1840
1840
Air Mail cover 1922-23 group of covers with 1922 Gordon Bennett Cup vignette on postcard with special c.d.s., 1923 Peace Conference registered cover to Casablanca, both military propaganda flights plus three other covers with "SCHWEIZER FLUGPOST" c.d.s.

细节
Air Mail cover 1922-23 group of covers with 1922 Gordon Bennett Cup vignette on postcard with special c.d.s., 1923 Peace Conference registered cover to Casablanca, both military propaganda flights plus three other covers with "SCHWEIZER FLUGPOST" c.d.s.