Big Boy, From Union Pacific Exhibit, Chicago Railroad Fair, June 25, October 2, 1949 [Postcard]

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POSTCARD TITLE: Big Boy, From Union Pacific Exhibit, Chicago Railroad Fair, June 25 -- October 2, 1949

POSTMARK: Writing on the back, no stamp, never mailed

PUBLISHER: Union Pacific Railroad Company

TYPE/BACK: Chrome, Divided Back

COMMENTS: The corners of the card are slightly rounded.