[Letter and first flight air mail cover to William E. Boeing from Frank E. Woodside, Acting Mayor, Vancouver, B.C., February 28, 1919]

Letter and first flight air mail cover addressed to William E. Boeing from Frank E. Woodside, Acting Mayor, Vancouver, B.C., February 28, 1919. Offers congratulations on first flight between Vancouver and Seattle, Washington. One typed page and envelope.

Stamped on envelope: "Via Airplane Mail, First Flight, Vancouver, B.C. to Seattle."