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What is the Minting Process?

Technologies in coin minting have changed drastically over the decades, but many of the core processes remain the same. Understanding where Precious Metals products come from and how they are made can help us better appreciate the coin or bullion we have. Coin production at the United States Mint is a six-step process that involves detailed applications to make sure the final product is usable.

THE MINTING PROCESS

In the current process, the United States Mint uses six steps from blanking to bagging.

  • Blanking
    It all starts with a large strip of metal approximately 13 inches by 1,500 feet. This strip of metal is fed into a blanking press by hand.
  • Washing and Drying
    The blanks are heated after being washed.
  • Upsetting
    The next step raises a rim on the edge of the coin. The rim is slight, but it gives the coin the edge we are so familiar with.
  • Striking
    In this phase, the blanks go through a coining press. This is where the coin gets stamped with the design or inscription, making them officially United States coins.
  • Inspecting
    This is perhaps one of the most important parts of the process. The inspection operators use magnifying glasses to spot check all new coins for errors.
  • Counting and Bagging
    An automatic counting machine counts the coins. After counting is complete, the machine drops the coins into large bags for delivery.

Coin-making technologies change through time to meet the demands of metals and production. In an age of technological advancement, we are now able to see minted coins produced very quickly. The coin minting process is unique and offers insight into the history and science of minting technologies of the past.

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