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2. Coining (mint) - Wikipedia

   en.wikipedia.org/wiki/Coining_(mint)

   A coin die itself, has been the main motive for many collectors coins and medals. One of the most recent and famous one, is the Austrian 700 Years City of Hall in Tyrol coin, minted on January 29, 2003. The reverse side of the coin shows the Guldiner silver coin. However, the design is negative, representing a coin die, as a reference to Hall's ...

3. Indian 10-rupee coin - Wikipedia

   en.wikipedia.org/wiki/Indian_10-rupee_coin

   The fourth design of the ₹10 coin, minted since 2019, featured the Lion capital, the lettering "सत्यमेव जयते" in the center plug and the lettering "भारत" on left and "INDIA" on right on the outer ring. On the reverse side of the coin is the number 10 below the ₹ currency sign, the year of issue and eight ...

4. Coin edge - Wikipedia

   en.wikipedia.org/wiki/Coin_edge

   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 when the coin is being milled.

5. Sovereign ring - Wikipedia

   en.wikipedia.org/wiki/Sovereign_ring

   A sovereign ring is a ring which typically has a gold sovereign as a primary decorative feature, with the obverse face as the visible detail. The coin may be either genuine or replica tender, and may be either a sovereign or half sovereign.

6. Coinage shapes - Wikipedia

   en.wikipedia.org/wiki/Coinage_shapes

   Although the vast majority of coins are round, coins are made in a variety of other shapes, including squares, diamonds, hexagons, heptagons, octagons, decagons, and dodecagons. They have also been struck with scalloped (wavy) edges, and with holes in the middle. Coins in the shape of polygons often have rounded edges or are Reuleaux polygons.

7. Bi-metallic coin - Wikipedia

   en.wikipedia.org/wiki/Bi-metallic_coin

   As well as circulating coins, where they are generally restricted to high-denomination coins, bi-metallic coins are often used in commemorative issues, often made of precious metals. For example, the only bi-metallic coin issued by the United States is the $10 Library of Congress commemorative, made of a gold ring around a platinum center.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Indian 20-rupee coin - Wikipedia

   en.wikipedia.org/wiki/Indian_20-rupee_coin

   The new 20 rupee coin is a circle (it is 12 edged*) with a diameter of 27mm (millimeters) and weight of 8.54 grams. The outer ring is composed of 65% copper, 15% zinc and 20% nickel whereas the inner ring (centre piece) is composed of 75% copper, 20% zinc and 5% nickel. Designed with the help of students of National Institute of Design ...