18 Year Classic Black AA Alcoholics Anonymous Medallion Sobriety Chip Tri Plate Gold & Nickel Plated Serenity Prayer 18 Year AA Alcoholics Anonymous Medallion Sobriety Chip Serenity Prayer On the Back Classic Black Color Changes When Light Hits It Tri-Plate Gold & Nickel Plated To Thine Own Self Be True , Unity Service Recovery and Three Legacies Triangle On Front