We have similar niello and Art Nouveau items, which would pair nicely with this piece, for sale this week. Listing Description by: Chris T. Main Stone Measurements/Color. Accent Stone Measurements/Color. Wearable length and inner circumference: 9.50. Bracelet width: 0.90. Closure/Clasp Type: Wrist gap. Link Type: Rounded and Polished. Can be worn higher on the wrist or arm as well. Damage: Age appropriate wear. This listing is for the item only. This was very true due to the gorgeous designs that came out of this period. This era focused on women and the beauty of nature and the pieces were often large. Enamel was a common material used in Art Nouveau jewelry as the period was more about the importance of the design over the materials used to create it. The Art Nouveau period happened before the start of the first World War, when mass manufacturing took over the production of many products, including some jewelry.