A black enamelled cigarette case

MANUFACTURED BY THE WIENER WERKSTÄTTE, 1920S

细节
A black enamelled cigarette case
Manufactured by the Wiener Werkstätte, 1920s
Striped back and front, the front with central square
3 1/8in. (8cm.) long
Stamped WW monogram, Viennese poinçon and further unidentified mark