Coin edges 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.
Coin edge patterns edit
Examples of patterns used on coin edges include:
See also edit
- Pearl circle on coins
References edit
Wikimedia Commons has media related to Edges of coins.
- ^ Concise Oxford Dictionary (2006): mill, produce regular ribbed markings on the edge of (a coin)
- ^ "About.com: "Reeded Edge Defined - What is a Reeded Edge?"". Archived from the original on 2015-12-11. Retrieved 2015-12-10.
- ^ Why do some coins have ridges around the edges?
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