English: Poster for the 1933 film The Vampire Bat.
The item has no copyright markings on it as can be seen in the links above. At lower right is a logo for the Morgan Litho Company--they printed the poster. At lower left is Country of origin USA.
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.