Italy 1975 Seaplane Cover, Como to Tremezzo, 50th Anniversary of the Lake Flights - LBF/3255Italy 1975 Seaplane Cover, Como to Tremezzo, 50th Anniversary of the Lake Flights

ITALY - 27/9/1975 - An airmail cover carried by seaplane from Como to Tremezzo (CO) for the 50th anniversary of the experimental flights over the lake, with a special pictorial postmark. A postal flight authorised by the Ministry of Posts and Telecommunications. 4 covers are available, with different frankings