Captioned Stanley Austin (PC_Ledoux03)
Possibly Stanley Elston Austin (1875-1934), editor of the Printseller & Collector A Monthly Journal Devoted to Prints and Pictures, Ancient and Modern and Objets D’art (published 1903-05).
Painting of Stanley Austin by Reginald Grenville Eves (1876-1941) - Courtesy of the Cheltenham Trust and Cheltenham Borough Council.