Apparently public domain. I contacted Ron Moody, who updated the image on FindAGrave.com, and he assured me that it was published pre-1923: "I would not have added it to the Find A Grave website if it were not public domain."
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==Summary== {{Information |Description=Yiddish theater actress Celia Adler |Source=http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=7082777 |Date=circa 1918 |Author=Unknown |Permission=Apparently public domain. I contacted Ron Moody, who updated the