Harry Seidelman's Contribution Book of the Marine Firemen and Oilers' Union of British Columbia. Inside contains stamps indicating the months for which Harry paid his union dues. The last stamp states that Harry paid his last union due on September 6, 1921.
Photograph of Harry Seidelman with a group of unidentified people rowing a boat. On the photograph it seems that the word "RAINBOW" is written on top of the boat's image.