细节 ALVIN LANGDON COBURN (1882-1966) Vortograph, 1917 gelatin silver print image: 8 3/8 x 11in. (21.4 x 27.8cm.); paper: 10 x 12in. (25.2 x 30.3cm.) 来源 This and the following lot were given to the grandparents of the present owner by Coburn. The owner's grandfather, Leonard...