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  2. Coinage metals - Wikipedia

    en.wikipedia.org/wiki/Coinage_metals

    The coinage metals comprise those metallic chemical elements and alloys which have been used to mint coins. Historically, most coinage metals are from the three nonradioactive members of group 11 of the periodic table : copper , silver and gold .

  3. A Guide Book of United States Coins - Wikipedia

    en.wikipedia.org/wiki/A_Guide_Book_of_United...

    A Guide Book of United States Coins (the Red Book) is the longest running price guide for U.S. coins.Across all formats, 24 million copies have been sold. [2] The first edition, dated 1947, went on sale in November 1946.

  4. Coinage Act of 1965 - Wikipedia

    en.wikipedia.org/wiki/Coinage_Act_of_1965

    Making a dollar equal to given quantities of both gold and silver made the currency vulnerable to variations in the price of precious metals, [1] [2] and U.S. coins flowed overseas for melting until adjustments were made to their size and weight in 1834 [3] and again with the Coinage Act of 1853, when the amount of bullion in the silver coins ...

  5. Glossary of numismatics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_numismatics

    A Guide Book of United States Coins by R.S. Yeoman ISBN 0-7948-1790-4; 2005 Blackbook Price Guide to United States Paper Money ISBN 1-4000-4839-7 "Numismatic Terms and Methods" from the American Numismatic Society (archived 19 February 2007) The Complete Illustrated Guide to Coins & Coin Collecting by Dr. James Mackay, ISBN 0-681-45952-2

  6. Group 11 element - Wikipedia

    en.wikipedia.org/wiki/Group_11_element

    The alloying with other metals makes the resulting coins harder, less likely to become deformed and more resistant to wear. Gold coins: Gold coins are typically produced as either 90% gold (e.g. with pre-1933 US coins), or 22 carat (91.66%) gold (e.g. current collectible coins and Krugerrands ), with copper and silver making up the remaining ...

  7. Category:Coinage metals and alloys - Wikipedia

    en.wikipedia.org/wiki/Category:Coinage_metals...

    This page was last edited on 25 September 2022, at 00:29 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  8. Standard Catalog of World Coins - Wikipedia

    en.wikipedia.org/.../Standard_Catalog_of_World_Coins

    Standard Catalog of World Gold Coins: With Platinum and Palladium Issues: 1601–present, 6th Edition, publication date 2009, Krause Publications, ISBN 978-1-4402-0424-1 Digital copy available separately. Unusual World Coins, 6th Edition, publication date 2011, Krause Publications, ISBN 978-1-4402-1702-9 Digital copy available separately.

  9. Milled coinage - Wikipedia

    en.wikipedia.org/wiki/Milled_coinage

    Both machine-made and hammered coins continued through the recoinage of French silver in 1641, but by now machine-made coinage's time had come, and hammered French coinage ended in 1645. [10] Zürich and Heidelberg experimented with coinage machinery in 1558 and 1567 respectively, and the Hall mint in Tirol permanently adopted coinage machinery ...

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