Public domain
Collier Trophy Postmaster General Work receiving cup from Nat'l Aeronautics Assoc.
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineCollier Trophy Postmaster General Work receiving cup from Nat'l Aeronautics Assoc.. 1923-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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