Antique child’s size 1 Silver 925 Thimble with a Visible Seam Line. Smallest Standard size for a Thimble Dating from the late 19th to the early 20th century. See photos 1/2 inch Diameter weight 2.8 grams the only marks I can find is 925 stamp on inside of thimble #1 stamped on outer rim of thimble. Contact with any questions