Astros to keep pistol on Colt .45s jersey

Colt 45's Baseball

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Houston MLB team changes from Colt .45s to Astros on Dec. 1, 1964 - ABC13 Houston

Sanity has Won: Astros keep the pistol of the Colt .45s uniform. : r/ baseball

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Rare 1962 Houston Colt 45's (houston Astros) Yearbook

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