Brass
Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic, and chemical properties, but copper typically has the larger proportion, generally 2⁄3 copper and 1⁄3 zinc.
All Brass signatures are guaranteed by Autograph World to be authentic for life. They are also guaranteed to pass third party autograph authentication.
Previously Sold Autographs
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