Item #: 1672331 Year: 2018 This is an authentic CHANEL Resin Glitter Crystal Sigma Brooch in Blue and Green. This stylish brooch is crafted in the shape of a sigma letter set with a green glitter inlay and purple crystals on a blue resin base. Follow this item for alerts. Chanel is a registered trademark of Chanel. FASHIONPHILE is not affiliated with Chanel.