Wiener Bronze. 'Kupferberg Gold' bottle with signet, c1920. Mechanical erotic bronze. H. 12.5 cm. Nude female figure as signet inside. Marked: KUPFERBERG GOLD, Chr. Adt. Kupferberg. Mainz. GEGRÜNDET 1850.
Franz Xaver Bergmann, Vienna. Erotica, c1900. Owl sitting on a book. When button is pushed, owl opens to reveal a naked woman inside. H. 8.2 cm. Bronze, auburn and gold patina in places. Marked: Founder's mark Nam Greb (faint). | SOLD 2,400 EUR, May 19, 2015