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 (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
Uploaded a work by Rear of card reads, 'PHOTO BY CAUFILED & SHOOK.' Publication information from rear: 'PUB. BY JULIAN R. FISHER, 219 W. MAIN. LOUISVILLE, KY. - MADE IN U.S.A.' from Photo postcard. Not copyrighted with UploadWizard