wendells 20 Year .999 Fine Pure Silver AA Medallion Alcoholics Anonymous Sobriety Chip 20 Year .999 Fine Silver Not Plated AA Alcoholics Anonymous Medallion Sobriety Chip Anniversary Coin - Raised 3D Graphics And Text XX On Front .5 OZ with Satin Silver Finish. 33mm or 1 5/16" Diameter. Serenity Prayer On The Back Comes With A Protective Vinyl Envelope Made In The USA