20 Year AA Medallion Extra Large 1.5 Inch Challenge Coin Size Sobriety Bi-Plate Chip. Glossy Gold and Nickel Plating Covers This Sobriety Coin. Serenity Prayer On Back. Extra Thick Design For A Premium Weight And Feel. Great Gift For Members Of Alcoholics Anonymous Celebrating A Year Of Recovery. Additional Details ------------------------------ Product description: 20 Year AA Medallion Extra Large 1.5 Inch Challenge Coin Size Sobriety Bi-Plate Chip. Glossy Gold and Nickel Plating Covers This Sobriety Coin. Serenity Prayer On Back. Extra Thick Design For A Premium Weight And Feel. Great Gift For Members Of Alcoholics Anonymous Celebrating A Year Of Recovery.