Twin City Gold is pleased to offer this 2018 New York METS Michael Conforto 1 oz Silver Collectible Baseball Card CoinThis is a great collector's item, would also make a lovely gift for a fan! The coin is 1 oz of fine silver. Please be sure to view all photos! Browse our other listings to find great deals on estate jewelry, diamonds, coins, collectibles and more! 2018 New York METS Michael Conforto 1 oz Silver Collectible Baseball Card Coin. Twin City Gold is pleased to offer this 2018 New York METS Michael Conforto 1 oz Silver Collectible Baseball Card Coin. This is a great collector's ...