Measures about 7.5 inches across the middle by 1 1/4 inches tall. Shows some age wear and stretch lines as well as a manufactures defect radiating from one of the mold lines which may be viewed on the 2nd Photo to the right of the seam or mold line . Passes the ping test. Displays well under Black UV light . Not Perfect but OH so wonderful ! 6 inch diameter and was made by Fenton in the late 1920's. Color and condition are excellent. Source : pg. 68 Edwards Opalescent book.