How much is a autographed Babe Ruth promotional bat with supporting pictures and news articles worth?
Ruth travelled extensively and promoted himself tirelessly, both during and after his career - it's estimated he signed a half-million balls and bats! Provenance is the key to value; the who, what, when and wheres of an item's history. Value is always and function of this documentation. Your bat, assuming the autograph is genuine, is worth between $4,000-12,000 depending on the aforementioned factors. The value of the bat as a promotional bat will rely on what promotion the bat is from. The pictures and News articles will add value, as well as confirm that the bat is from that promotion. The Babe Ruth "autograph" could be an engraving of his signature into the bat as an endorsement.
Babe Ruth All America Athletic Underwear came with a "promotional" bat, and features a facsimile engraved Babe Ruth Signature. The bat itself sells for about $400. you might use this price as a yardstick to measure value. See Related links below for more information on the Babe Ruth Underwear promotional bat.