This is a US AIR MAIL FIRST FLIGHT AM-73 RAPID CITY April 1,1959 7 a.m., SOUTH DAKOTA to ALLIANCE NEBRASKA April 1, 1959, 10 a.m. with A 7 cents US AIR MAIL stamp.
Inside is a card that bears name. BILL MCCANLASS, Petrolia, California.

Some discoloration from age of envelope.
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