Bronze • 1.5 g • ⌀ 15 mm
Copper-nickel • 3 g • ⌀ 19.5 mm
Copper-nickel • 5.5 g • ⌀ 23 mm
Copper-nickel • 7.72 g • ⌀ 26 mm
Copper-nickel • 14.25 g • ⌀ 32 mm
Copper-nickel • 24.9 g • ⌀ 38.8 mm