Publicity photo of actor Monty Wooley from a stage presentation of his most famous role in The Man Who Came to Dinner.
Date
The copy on the back says he was appearing in the play at the Plymouth (theater) on 21 November. The earliest date stamp is 7 November 1949. The 6 May 1963 date stamped on the back is the date of Wooley's death.
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.