Premium quality 8 Year AA Medallion in Reflex Blue and Gold Plated design. Serenity Prayer on the back and designed with recessed colored lettering around the rim and raised triangle for a great look and feel. Coin is 33mm or 1 5/16" Diameter and 3mm thick. This gives it a better weight and feel than most sobriety coins, its very impressive. Comes with a nice vinyl protector envelope. This is among the first 150 ever produced. Gift the gift of art. Check out the VIII in the center as well as sides. If you need a keychain holder search Amazon for B01GLOWDJY which is the ASIN for the holder that works with this item.