A 15mm Air-Tite Direct Fit Holder accommodates coins or rounds with a 15mm diameter, ensuring a snug and secure fit. While 15mm is also a relatively uncommon size, several U.S. and foreign coins fit this dimension. U.S. Coins: Gold $1 Liberty Head (Type 1, 2, and 3): Struck between 1849–1889, these coins have a diameter of 15mm. Foreign Coins: Mexican Gold 2 Pesos: Diameter is 15mm, making it a perfect fit for this holder. Swiss 10 Rappen: Older issues (pre-modern) have a 15mm diameter. Austrian Gold 1 Ducat: Modern restrikes typically measure 15mm. British Gold Sovereign Quarter (Commemorative issues): Some commemoratives or fractional sovereigns may fall into the 15mm range. German States Silver and Gold Coins: Some older fractional denominations from pre-unification Germany match the 15mm size. French Gold 10 Francs: Older issues may approximate 15mm.
