This advertisement (or image from an advertisement) is in the public domain because it was published in a collective work (such as a periodical issue) in the United States between 1978 and March 1, 1989 and without a copyright notice specific to the advertisement, and its copyright was not subsequently registered with the U.S. Copyright Office within 5 years. Unless its author has been dead for several years, it is copyrighted in jurisdictions that do not apply the rule of the shorter term for US works, 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. See this page for further explanation.
Captions
Image of Delaware Lieutenant Governor S. B. Woo in an advertisement for his election to U.S. Senate
Uploaded a work by Citizens for S.B. Woo '88 advertisement in: {{creator|wikidata=Q7752289}} from https://www.newspapers.com/image/155154326/ with UploadWizard