The item has no copyright markings on it as can be seen in the links above. At lower right is Morgan litho, Cleveland Ohio-this is the company who produced the poster. At lower left is "Litho in 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.
{{Information |Description=Poster for the 1938 film ''Romance on the Run''. |Source=[http://www.ebay.com/itm/Romance-on-the-Run-One-Sheet-Movie-Poster-Donald-Woods-amp-Patricia-Ellis-1938-/201159528208?pt=LH_DefaultDomain_0&hash=item2ed60acf10&nma=true...