Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
Bowman: This image or file was extracted from a sports card produced by Bowman Gum. According to the United States Copyright Office, copyrights belonging to Bowman Gum were not renewed within the required period for filing. Thus, all cards printed by Bowman before 1989 have lapsed into the public domain and are free for use.
Captions
Jim Delsing, outfielder with the St. Louis Browns, image from the 1952 Bowman baseball card #157.