Coin Edge - Wikipedia

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Textured edge of a coin, sometimes lettered
Coin edge inscription mill

Coin edges are the parts of a coin's surface between the faces; they may be plain (smooth) or patterned, or a combination of both. They can also include lettering.

Reeded edges are often referred to as "ridged" or "grooved" (US usage), or "milled" (UK usage).[1] 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 when the coin is being milled.

Inscriptions

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Dieu★ protège★la★France★★★ "God protect France" on the edge of 1873 five-franc coins

Examples of edge inscriptions or edge lettering include e pluribus unum on the edge of U.S. Presidential dollar coins, various national €2 edge inscriptions, and various phrases on the UK one pound coin, most commonly decus et tutamen. Inscriptions are more common on thicker, higher-value, or non-circulating coins.

See also

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  • Pearl circle on coins

References

[edit] Wikimedia Commons has media related to Edges of coins.
  1. ^ Concise Oxford Dictionary (2006): mill, produce regular ribbed markings on the edge of (a coin)
  2. ^ "About.com: "Reeded Edge Defined - What is a Reeded Edge?"". Archived from the original on 2015-12-11. Retrieved 2015-12-10.
  3. ^ Why do some coins have ridges around the edges?
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