Bonhams 1793 : Covers: 1930-37 selection of six Zeppelin flown covers with 1933 Century of Progress Exposition flights inc. New York to Rio de Janeiro, Miami to Chicago and Chicago to Sevilla, etc. (1079)

1930-37 selection of six Zeppelin flown covers with 1933 Century of Progress Exposition flights inc. New York to Rio de Janeiro, Miami to Chicago and Chicago to Sevilla, etc. (6)

Sold for £164 inc. premium