Lelands.com's Masters Auction closes on Oct. 27 and includes hundreds of lots.
Robinson wore the Brooklyn Dodgers hat during the 1947-1948 season. The cap is specially padded and helped protect Robinson from beanballs.
Robinson won Rookie of the Year that season and was hit by a pitch nine times, according to Baseball Reference.
The Baseball Hall of Famer broke the sport's color barrier on April 15, 1947.
The auction also includes: Secretariat's 1973 Belmont Stakes presentation blanket from Penny Chenery, Robinson's last Brooklyn Dodgers game-worn jacket, Muhammad Ali's "Rumble in the Jungle" championship belt, a 1936 Joe DiMaggio rookie year game-used bat, a 1960 Ted Williams game-used home run bat, Frank Robinson's 500th home run game-used bat, a bat used by Mickey Mantle during the 1955-57 seasons, Mantle's 1980s Texas driver's license, a 1945 Mel Ott New York Giants game-worn jersey and much more.
Rose's record-breaking 4,192 hit baseball previously sold for $403,657 this summer at Lelands.com Invitational Auction.