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There are often traces of sulfur in brass. The addition of manganese causes MnS to be formed. This reduces the risk of cracking.

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There are often traces of sulfur in brass. The addition of manganese causes MnS to be formed. This reduces the risk of cracking.

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The 2010 Manganese-brass are 26.5mm

for example

Older coins are different size

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Yes. For example, US $1 coins minted since 2000 are struck in a brass alloy that includes copper, nickel, zinc, and manganese.

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Steel

Brass

Solder

Pewter

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No it's not. The outer layers of Manganese Brass give the coin the gold color.

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