Onyx Gold Bead Brooch 18k Retro Jewelry Signed OSLA whimsical black onyx and gold bead brooch, circa 1950s. The brooch is designed as a cluster of rounded gold beads, alternating in size and texture, which gives the pin a great dynamic quality. Some of the beads are smooth, while others have a spiral texture. Each bead is punctuated with a small black onyx bead and diamond accent. This Retro 1950s brooch features a distinctive design that's both playful and intricate. We have a bracelet with a