Vintage 18k 750 Yellow Gold Enamel Bird Brooch - Bright Colors 45mm Long. Beautiful and unique 18k gold and guilloche enamel pin/brooch of a bird on a branch. Different guilloche patterns on the different colors. Pin measures 45mm end to end.Tests for 18k but the only mark I could find was an indecipherable scratched in mark under the bird's tale. Please feel free to ask any questions you may have. The item "Vintage 18k 750 Yellow Gold Enamel Bird Brooch Bright Colors 45mm Long" is in sale since Friday, October 18, 2019. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Retro, Vintage 1930s-1980s\Pins, Brooches". The seller is "woodcliffonthehudson" and is located in North Bergen, New Jersey. This item can be shipped worldwide.