Theodor Fahrner Brooch - Art Deco silver, onyx and matt
enamel, Germany circa 1930.
This is a fine example of Modernism from the Gustav Braendle era
of the Fahrner company..
Literature: Theodor Fahrner...between Avantgard and
Tradition and Fahrner-Schmuck 1900 bis 1975
for more examples in this style.