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iron
bronze
brass
zinc (Jia Jing 15-20% zinc)

More details on Alloy Compositiob, see
http://www.britishmuseum.co.uk/product.aspx?ID=1034

"the coinage alloy from bronze to brass occured during the early part of the 16th century, specifically during the later Hong Zhi period"

2006-11-14 04:43:19 · answer #1 · answered by Apolo 6 · 0 0

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