A collection of (2) early 1900s cabinet cards of Jack O'Brien. Philadelphia Jack O'Brien was born Joseph Hagen in the City of Brotherly Love. He had an amazing documented 192 fights from 1896-1910. He was a World's Light Heavyweight Champion and is considered one of top five light heavyweight fighters of all time. He is a ring Hall of Fame member, a World Boxing Hall of Fame Member and an International Boxing Hall of Fame inductee in 1994. Both cards measure 7.5x5.5"and were produced by Fred Green of Boston Lot includes (1) card of O'Brien & his wife GD & (1) O'Brien solo card VG-EX.