88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.

88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.

88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.

88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.

88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.

88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.

88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.

88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.

88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel.