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.
Cropped 54 % horizontally, 5 % vertically using CropTool with lossless mode to remove view of back (to be kept in file history as evidence of lack of copyright notice)
Uploaded a work by Johh Walther from Ebay auctions of old press photos (184287620989 and 353073566677), showing that no copyright notice was marked on the backs of the photos. with UploadWizard