Edwardian watch chain hallmarked HFB on the swivel. Both the chain and fob are gold-filled. I believe the chain is older than the locket and dates from 1890 through 1920. The locket fob dates later but is from the early 1900s as well. Both are in good vintage condition. The approximate measurements are 13 inches long for the chain and 1 5/8 inches long for the locket. They are both in good vintage condition. If the buyer wishes to wear this as a necklace and wants it longer I am happy to provide a 4-inch necklace extender for free. The fob is engraved with lines and a cartouche in the center on the front. The back has minor scratches and needs to be cleaned. I usually leave this to the buyer, It is engraved with what appears to be a "Q." This will make an unusual necklace and a great vintage addition to a jewelry collection.