This wonderful thimble case and thimble are sterling silver. The heavy ornate open cut out design is so lovely. The cartouche on top center has an Old English Style "F" monogram. The case when open has a silver pedestal to rest he thimble on. The thimble that come with this case is marked sterling 10. This particular case often had a ring to attach it to Chatelaine for convenience. The measurements are 1 Inch diameter by 1 Inch High. There is a slight dent on the bottom that does not distract from the beauty of this piece. Total weight is 11 grams. The bottom is hallmarked by Webster Co. North Attleboro, MA. from 1894.