Fans are expected to pay 15,000 pounds for the hat, which was bought by Sir Edward Hallstrom and is being sold through his estate by Sotheby’s on Dec 13.
The comic star first wore the bowler in 1909 as a struggling performer in the UK.
He took it with him to the US where he toured with Fred Karno’s comedy troupe, the Daily Express reported.
Chaplin later gave it to fellow actor Bert Bailey, whose note of provenance comes with it.
