Air-Tite "T" Black Ring Coin Holder for 22mm Coins Air-Tite Holder with Black Ring for Half Cents 1793, Twenty Cents, $4 Gold, $5 Gold 1835 to 1838, or 1/4 oz. Gold or Platinum Eagles (22mm) he outside diameter of the "T" holder is 1.437" (36.49mm) Each order is for a single holder with ring