An Air Force command in the shape of the letters "E Pluribus Unum" (Latin for "from many to one") before the American motto "In God We Trust" was adopted. 50s ring motif.
Silver rings, bra celets and other precious metals cannot be shipped overseas.
15: Approximately 17.66mm (inside diameter) Approximately 55.50mm (finger circumference)
17: Approximately 18.33mm (inner diameter) Approximately 57.60mm (finger circumference)
19: Approximately 19.00mm (inner diameter) Approximately 59.69mm (finger circumference)
21: Approximately 19.66mm (inside diameter) Approximately 61.78mm (finger circumference)