There are no copyright markings pertaining to the image. The original copy of the photo was part of a newspaper library. The newspaper pasted a clipping on its back and then applied its copyright stamp to the back for the pasted text. The text has been obscured and the copyright marking for this text removed. The newspaper would have no rights or ownership over the photo; this was received by them from CBS.
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.