Based on the coins used in 12-step programs to recognize periods of sobriety, this .999 fine silver coin ring has To Thine Own Self Be True/Service/Unity/Recovery on the outside and the Serenity Prayer on the inside. There is no date or year count.
It is currently a size 7.5, and can be resized up to 9 or down to 7. Once purchased, reply to the confirmation email with your desired size.