This site says it’s Graves Gladney: https://www.pulpartists.com/Bio%20Materials/Gladney/38-04,DmMyst.jpg https://www.pulpartists.com/Gladney.html Reply
This site says it’s Graves Gladney:
https://www.pulpartists.com/Bio%20Materials/Gladney/38-04,DmMyst.jpg
https://www.pulpartists.com/Gladney.html