2 Year Classic Black AA Alcoholics Anonymous Medallion Sobriety Chip Tri Plate Gold & Nickel Plated Serenity Prayer 2 Year AA Alcoholics Anonymous Medallion Chip Classic Black Color Changes When Light Hits It Serenity Prayer On the Back Tri-Plate Gold & Nickel Plated 1 5/16" or 34mm Diameter Half Dollar Size To Thine Own Self Be True , Unity Service Recovery and Three Legacies Triangle On Front