English: Sketch of George Walther Sr. that was on the cover of a tribute to George Walther Sr. published by the Dayton Steel Foundry. The tribute to George Walther Sr. was not copyrighted and is in the public domain.
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.
{{Information |Description ={{en|1=Sketch of George Walther Sr. that was on the cover of a tribute to George Walther Sr. published by the Dayton Steel Foundry. The tribute to George Walther Sr. was not copyrighted and is in the public domain.}} |Sou...