Maritime Day was co-sponsored by the Boston Sea Scout Division of the Boston Boy Scouts and the U.S. Navy at Boston on June 9, 1940.  The event was in memoriam for sailors everywhere and to Sea Scouts who have made their last voyage.

This is a blue printed cachet cover.  The cover is cancel on board the U.S.S. Trippe on June 9, 1940 with a slogan between the killer bars for Maritime Day.



This is a black printed cacheted cover.  The cover is cancel on board the U.S.S. Haraden on June 9, 1940 with a slogan between the killer bars for Maritime Day.

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