Box of 10 38mm Air-tite Direct Fit "H" Coin Holders Box of 10 38mm Direct Fit Air-Tite Holders for Morgan and Peace Silver Dollars, Eisenhower Dollars, and Canadian 1 oz. Silver Maple Leaf The outside diameter of the "H38" holder is 1.75" (44.45mm) The inside diameter of the "H38" holder is 1.5" (38.1mm)