Bolivia
1930 Airmail – Issue of 1924 Overprinted “CORREO AEREO R. S. 6-V-1930”
1930 Airmail – Issue of 1924 Overprinted “CORREO AEREO R. S. 6-V-1930”
1930 Airmail – Issue of 1928 Surcharged
1930 Airmail – Issue of 1928 Surcharged
1930 Surcharged & Overprinted “R. S. 21-4 1930”
1930 Surcharged & Overprinted “R. S. 21-4 1930”
1928 Airmail – Emblem of Lloyd Aéreo Boliviano
1928 Airmail – Emblem of Lloyd Aéreo Boliviano