Loetz Witwe Company (1851 - 1947)
An Austrian Secession patinated bronze and glass table lamp by, Gustav Gurschner decorated with a green pulled feather against orange background with silver highlights "titania" design shade by Loetz a top a patinated bronze organic lamp base embellished with grapes on each side, The lamp is signed, "Gurschner Depose" and further impressed on the interior of the base "MOD 10"
References:
Alastair Duncan, "Art Nouveau and Art Deco Lighting", Simon & Schuster, New York, 1978, p. 120, fig. 73