U.S. Coins
- Three-Cent Silver (Trime)
- Minted: 1851–1873
- Diameter: 17.9mm (fits 17mm holders snugly).
- Gold $2.50 Quarter Eagle (Classic Head)
- Minted: 1834–1839
- Diameter: 17mm
- Composition: 90% gold.
Foreign Coins
- Mexican Gold 2.5 Pesos
- Diameter: 17mm
- Composition: 90% gold.
- Swiss 10 Rappen
- Diameter: 17mm
- Composition: Copper-nickel.
- French 5 Centimes (Napoleon III)
- Diameter: Approximately 17mm
- Composition: Bronze.
- Austrian Gold 10 Crowns
- Diameter: 17mm
- Composition: 90% gold.
- British Gold 1/5 Sovereign
- Diameter: 17mm
- Composition: 22K gold.
Bullion and Specialty Coins
- 1/10 oz Gold Bullion Coins
- Examples:
- American Gold Eagle (1/10 oz): 16.5mm (fits snugly into 17mm holders).
- Canadian Gold Maple Leaf (1/10 oz): 17mm.
- Mexican Libertad (1/10 oz): 17mm.
- Examples:
- Fractional Rounds
- Many private mints produce fractional gold or silver bullion rounds measuring 17mm.
Summary
Coins with a 17mm diameter include U.S. and foreign fractional gold coins, small copper and nickel coins, and modern bullion coins like the Canadian Gold Maple Leaf (1/10 oz). If you’re collecting coins or using 17mm Air-Tite holders, these coins will fit perfectly.