unused Air Mail 1930 Transatlantic Mass Formation Flight 7l.70, horizontal pair, one with variety seven stars instead of six, mint. S.G. 303, a; Sass. 25, a, 2.700.000 l. Photo
unused Air Mail 1930 Transatlantic Mass Formation Flight 7l.70, horizontal pair, one with variety seven stars instead of six, mint. S.G. 303, a; Sass. 25, a, 2.700.000 l. Photo
unused Air Mail 1930 Transatlantic Mass Formation Flight 7l.70, horizontal pair, one with variety seven stars instead of six, mint. S.G. 303, a; Sass. 25, a, 2.700.000 l. Photo
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