GROENEN, Joseph Unsigned Photos - Ballet bold Maria Callas signature in

bold Maria Callas signature in red crayon at the top of the title page

signature is at the bottom of page 3 - see scans

he made approximately 260 commercially released recordings from 1902 to 1920

Beautiful photo postcard signed by the star Italian tenor

shown as Gunther in Der Ring in Des Nibelungen

GROENEN, Joseph Unsigned Photos - Ballet bold Maria Callas signature inDutch baritone (1884 1959), signed postcard photograph, shown as himself, signed in Vienna. Signed on front with additional signature and inscription on verso. Blind stamp on front by Magasin Metropole photographers, Vienna. Size is 3. 5 x 5. 5 inches, slight paper loss on edges, otherwise in excellent condition.