Stunning Medallion and Key Chain Combination. The AA Medallion is 24k Gold Plated No year on the front for a timeless piece. To Thine Own Self Be True on the front and the Serenity Prayer on the back. Key Chain is a medallion holder, you can unscrew the bezel and insert or remove medallions. Key Chain is also gold plated they are an excellent pair. Plain Front No Number 24k Gold Plated AA Medallion In A Removable Sobriety Chip Holder Key Chain Keychain holds 33mm 1 5/16 medallions. Bezel unscrews so you can change the coin out. Gold Plated Sobriety Chip has a glossy finish and raised 3D text and graphics. Timeless as it has no year on the front.