Coin Terminology and Glossary
The Coin Collecting Dictionary includes 546 titles used widely in the coin
collectors community, and has received over 855156 search inquires.
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Aluminium
- Explanation: A lightweight silvery grey metal, atomic number 13, atomic weight 26.981538, specific gravity 2.7; discovered in 1825, and used for coins, usually as an alloy, since about 1900
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