The locket / fob is made of gold filled and weighs 11 grams. It was made in the 1800s .It is 7/8" in diameter and 5/8" thick. It has a hot air balloon design look to it and shuts tight. There are three different color glass stones on the front. On the back at 4 o'clock is a file mark were someone tested it for gold. There is a loop at the top to accommodate a chain.