1927-31 first flight covers (3) PAA 1927 Oct 29th Havana - Key West cacheted & pilot signed 'H. Wells' scarce signature, WIAE 1928 Feb 24th Santiago - Santo Domingo cacheted & pilot signed 'B. L. Rowe', CGA 1937 July 31st Havana - Cienfuegos cacheted & pilot signed 'George Rumill,' another scarce signature. (Image)