Foreign Planchet supplies

Discussion in 'World Coins' started by James Miller, Aug 20, 2019.

  1. James Miller

    James Miller Lost Boy

    It seems like this would be a simple google search, but I keep coming up empty handed. Does anyone have a link or a list or something of the years Foreign Countries supplied Planchets to America? Also, any years that Foreign Countries Minted Coins for the US. (I am very new to coin research)
     
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  3. paddyman98

    paddyman98 No Common Cents! Supporter

    @Pete Apple .. This is the kind of question you might have an answer for ;)
     
  4. paddyman98

    paddyman98 No Common Cents! Supporter

    Before you get an answer let me ask you this... Why are looking for that kind of information? Do you have a Cent that you think might of been struck on a foreign planchet? I see your tag states foreign planchet penny

    Why don't you ask us with a picture?
     
  5. James Miller

    James Miller Lost Boy

    It is mostly for future reference. But you won't see anything interesting in a pic. Truly looks like a normal penny.
     
  6. Oldhoopster

    Oldhoopster It seemed like a good idea at the time.

    Still trying to prove you're underweight cent is struck on a Canadian planchet? The following link has an extensive PDF file that lists Foreign coins struck by the US Mint. As you search through the 69 +/- page spread sheet you'll notice that no coins were struck with a 98% copper composition like the Canadian Cent.

    https://minterrornews.com/news-5-13-03-foreigners_in_the_mint.html

    Here is the summary of the US involvement with the Canadian Mint

    Canada
    [​IMG]
    Dimes struck for Canada can only be identified by the differences in the reeding. A different style collar was employed by the Philadelphia Mint compared to dimes made by its Canadian counterparts. The Philadelphia Mint struck dimes for Canada in 1968 and 1969 due to a shortage of coins circulating during that time period.

    According to the link, a Canadian Company (not the Canadian Mint) did produce some planchets for the Sacagawea dollars, but that's as close as it gets

    After searching the linked info that shows the US did not use 98% copper planchets from Canada, or anywhere else, if you still think your Specific Gravity testing indicates that your coin was struck on a Canadian planchet and not a thin US planchet, try doing a Gage R&R using some copper US cents to show the accuracy of your test and also get some statistical data.

    People providing you feedback in your other thread weren't guessing. Many have decades of collecting and numismatic research experience.

    Hope this helps
     
    Last edited: Aug 20, 2019
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  7. James Miller

    James Miller Lost Boy

    Thank you for providing information. It answers half of my question. It doesn't talk about times America receives blank planchets from other countries. I'm not sure why so many people on Coin Talk are so quick to pounce on someone looking for information or doing research.
     
  8. paddyman98

    paddyman98 No Common Cents! Supporter

    Because maybe they didn't?
     
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  9. James Miller

    James Miller Lost Boy

    No they did. I see it now.
     
  10. Treashunt

    Treashunt The Other Frank


    usually the US made the planchets for the coins that they struck.
    I know of no exceptions
     
  11. paddyman98

    paddyman98 No Common Cents! Supporter

    Please give us that information.
     
  12. James Miller

    James Miller Lost Boy

    Planchet Suppliers to the U.S. Mint For Business Strike Issues

    [​IMG]The U.S. Mint, while having its own metallurgical plant to produce blanks for its minting purposes over the years, had several suppliers of planchets to supplement its production. Most notable is the Waterbury Mint with whom the U.S. Mint had a very long term relationship. Planchets for precious metal bullion coinage is currently provided by several of the firms that supply bullion rounds to collectors and investors with metals obtained from the former silver strategic stockpile (currently depleted as of the publishing of this article) or the open market as in the case of platinum coinage.

    • Olin: As the longest continuous supplier of metal to the US Mint, Olin Brass' Posit-Bond® clad metal is used in quarters, dimes and half dollars. In 1999, Olin Brass developed the unique alloy that the US Mint uses for the Sacajawea “Golden Dollar” coins
    • Sherritt Gordon/Westaim, Fort Saskatchewan, Alberta, Canada, No longer produces coinage blanks. Blanks made by Westaim were provided by the Canadian mint to the US Mint during the production ramp up in 1998 and 1999 in anticipation of monetary shortages due to the Y2K event and the introduction of the new one dollar coin.
    • PMX Industries is located in Cedar Rapids, Iowa, it is a wholly owned division of Poongsan Corporation of Korea since November 1998, and has supplied almost half of the coinage strips used by the U.S. Mint since 1992. Tel: (319) 368-7700 Fax: (319) 368-7720, 5300 Willow, Creek Drive S.W., Cedar Rapids, Iowa 52404, U.S.A www.ipmx.com
     
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  13. paddyman98

    paddyman98 No Common Cents! Supporter

    They all seem like more modern suppliers and for special alloy coins.. Nothing with the normal US older Cents. Older than the years mentioned.
     
  14. James Miller

    James Miller Lost Boy

    It also kinda sounds like supplemental supplies of planchets to the US mint are so common that a list would be difficult.
    Another part of that article says that there is a well known 1982-P penny minted on an unknown planchet FYI.
     
  15. mlov43

    mlov43 주화 수집가 Supporter

    You're right about Poongsan. The South Korean corporation, Poongsan, is the world's largest coin blank manufacturer, accounting for more than half of the world's coin blank trade volume. Poongsan is also Korea’s leading manufacturer of copper products, providing most of the ammunition to the South Korean military. The company was designated as South Korea's sole coin blank manufacturer by Komsco in 1970. Three years later, Poongsan first exported coin blanks to Taiwan, and since then has supplied its coin blanks to over 70 countries on six continents.

    In addition to circulating coins, Poongsan also operates special facilities dedicated to the production of precious metal coin blanks for commemorative coins and medallions. They supplied precious metal blanks for almost every South Korean gold and silver commemorative coin issue. The South Korean government has such a large home bias for Poongsan, especially in regard to government orders, that some people wonder if they still live up to their World Trade Organization obligations. The founder’s son, now Poongsan Chairman, announced a goal of achieving 12 trillion won in revenue and 1 trillion won in profits by 2018, the 50th anniversary of the company. I gotta check up on whether he made it... koreantenwonblanks.png
     
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