1974 United States Cover and Cards-Smithsonian Institution ties 13c stamp Commemorative Cover Celebrating Milestones of Flight, specifically the First "Dawn to Dusk" Transcontinental Flight with 13c Red Airmail stamp. Cover is cancelled MINEOLA, NY JUN 23 1974. There are also two cards with the cover, one of which is informative about the commemoration, and the other is a mail order slip. Cover sent to Washington D.C. Good Condition.

Condition as per photos.

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