Season 10, Episode 7 History Detectives

First Aired: October 9, 2012

Sen. Charles Schumer (D-N.Y.) helps uncover the story behind a poster that shows two black WWI soldiers. Also:a hand-drawn map of Valley Forge that may have been used by George Washington; a transistor radio that may be one of the first of its kind; a Prohibition-era business card that may reveal a man's father's underworld ties.

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