The clasp works like new and stays closed when the brooch is being worn. As you can see the open work carvings have been expertly done and the brooch is just gorgeous! It measures 2 1/4" x 1 3/8 and is approximately 3/16" thick and weighs 13 grams. The brooch tests positive for Bakelite using Simichrome polish. (See photo #10) No chips or cracks were seen.