Collection of boxer Jack Sharkey negatives (4). Sharkey, known as the "Boston Gob" was the heavyweight champion, winning the title after he knocked out the former light-heavyweight champion Tommy Loughran to win the United States heavyweight title in 1929. Negatives are 4" x 5" and in NRMT condition. They show Sharkey in various boxing poses during working sessions. One of the negatives is glass plate.