Art Deco Brooch: Knotted Ribbon. Pretty antique brooch in silver-colored metal representing a ribbon tied in the shape of leaves. Brooch studded with amethyst-colored rhinestones. Below, the pin is in good condition. Good condition, without defects. 6.5 cm by 4.5 cm. Beautiful fancy brooch to collect or to offer. Photos 6 to 12, other brooches are available.