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2. Invicta - Wikipedia

   en.wikipedia.org/wiki/Invicta

   Invicta (company), an Italian outdoor equipment manufacturer; Invicta Bus Services, a bus operator in Melbourne, Australia; Invicta International Airlines, a UK charter airline from 1965 to 1982; Invicta Watch Group, a Florida-based watch company; Invicta Plastics, a British plastic business; holder of the rights to Mastermind

3. Bezel (jewellery) - Wikipedia

   en.wikipedia.org/wiki/Bezel_(jewellery)

   The pressure of the bezel over the edge keeps the stone in place. Bezel settings for diamonds are also called rub-over settings; they have a diamond completely surrounded by a precious metal band which fastens the diamond securely into place. Bezel settings use a type of elevated collar which wraps the rim of the diamond in a complete metal edging.

4. Reeding - Wikipedia

   en.wikipedia.org/wiki/Reeding

   [4] [5] Some gold and silver coins were reeded to discourage clipping, i.e. scraping off the precious metals from the edge of the coin, to maintain its stated value in precious metal. [4] This practice was made more difficult through the implementation of reeding by Isaac Newton in 1698, [ 6 ] during his time as warden of the Royal Mint .

5. Coin edge - Wikipedia

   en.wikipedia.org/wiki/Coin_edge

   Some coins, such as United States quarters and dimes, have reeded edges. Reeding of edges was introduced to prevent coin clipping and counterfeiting. [2] [3] The main techniques of coin edging are edge mills of various types, which put a pattern on a smooth edge, after a coin and coin mills with edge rings, which pattern the edge at the time ...

6. Mint-made errors - Wikipedia

   en.wikipedia.org/wiki/Mint-made_errors

   Unlike a broadstrike, the punch is not in the center of the coin, but rather the edge. This results in a coin which is not circular. The coin gives a freakish appearance as a result, and various amounts of blank planchet space are visible. The coins can vary in value because of how far off center they are struck, although coins with full dates ...

7. American Innovation dollars - Wikipedia

   en.wikipedia.org/wiki/American_Innovation_dollars

   American Innovation dollars are dollar coins of a series minted by the United States Mint beginning in 2018 and scheduled to run through 2032. It is planned for each member of the series to showcase an innovation, innovator, or group of innovators from a particular state or territory, while the obverse features the Statue of Liberty (Liberty Enlightening the World).