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Over 75-year old "Steelie". Composition has been Bronze - 95% copper 5% zinc/tin (1909-1942, 1946-1962), Zinc plated steel (1943), Brass - 95% copper 5% zinc (1944-1946, 1962-1982)., and in 1982 the standard changed to copper plated zinc (97.5% zinc 2.5% copper).
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.