Rolling

Northwest Territorial Mint: Rolled Sheet
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Strips Are Rolled

Once the long, thin strips of extruded metal have cooled, they are trimmed using a hydraulic shearer and prepared for rolling. A highly precise instrument called a micrometer is used to calibrate the precise thickness of each strip of metal. Next, the strips are individually fed into a high-pressure rolling machine and gathered for the next step in the process. After each strip has been rolled, it is inspected to ensure that it meets the specifications for thickness.

After the strips have been rolled, they are then sent to the blanking machine.

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Northwest Territorial Mint: Insights & Ideas
Insights & Ideas
Hot Topic: One Sided?

Having a coin made for mounting? This stagecoach bar was made for mounting on the front cover of a large coffee table book. The blanks for this were made from strips of .999 silver that were much thinner than a two sided bar. The reverse was left blank. Such an approach can be done for a wide variety of presentations.

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Northwest Territorial Mint: In The News

Shipwreck Coins

Northwest Territorial Mint: Did You Know?The Spanish ship, Nuestra Senora de Atocha, sank from a hurricane in 1622, carrying 265 passengers and valuable treasure that Spain desperately needed, to pay for the Thirty Years War. When the Atocha left the dock of Havana, Cuba, on September 4, it was six weeks behind schedule and entering hurricane season. A hurricane did engulf the ship, smashing it into coral reefs, killing 260 of its passengers, and taking down one and a half million pesos (400 million dollars today).

Some 350 years later, Mel Fisher, a life-long treasure hunter, found the Atocha and, over the course of a 16-year effort, brought the Atocha legend back to life.