Note the uploaded photo is larger and of better quality than the newsprint copy.
Renewals were checked in both periodicals and artwork for the years 1965 and 1966. There were no listings for the Longview News Journal or for Frederick Brothers; there's no evidence of current copyright.
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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.