.1920s .925 Art Deco black Onyx gemstone geometric shape sterling silver bar brooch

A striking Art Deco 1920s Onyx and silver geometric silver bar brooch.

The smooth rectangular form Onyx gemstone sits framed in an Art Deco Architectural step setting that resonates perfectly with the Era design style.

The silver bar brooch has dimensions of 44mm long x 14mm wide. The brooch opens and closes with a hand formed c-clasp mechanism.

It’s a perfect Art Deco treasure.