Seychelles 519-522

$ 2.20

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Seychelles 519-522, MNH, $3.00. Michel 535-538, Euros 5.50. Manned Flight, bicentenary, 1983. Royal Vauxhall balloon, 1836; DeHavilland D.H.-50j; Grumman Albatross; Swearingen Merlin.