Favrene glass is made from pure silver. The heating process is makes the lovely silver blue sheen. The bands around the bottom of the vase is made from 22k gold. This centennial collection is signed by 10 of the current Fenton family members. The birds, flowers and butterflies is what makes this vase very special to the Fenton family. This gorgeous vase is 9" tall and has a diameter of 4" at the base and 4 1/2" at the mouth of the vase. This a great addition to your Fenton collection.