Coin edge

{{Short description|Textured edge of a coin, sometimes lettered}}

File:Coin edge enscription mill.jpg

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).Concise Oxford Dictionary (2006): mill, produce regular ribbed markings on the edge of (a coin) Some coins, such as United States quarters and dimes, have reeded edges. Reeding of edges was introduced to prevent coin clipping and counterfeiting.{{Cite web |url=http://coins.about.com/od/coinsglossary/g/reedededgedef.htm |title=About.com: "Reeded Edge Defined - What is a Reeded Edge?" |access-date=2015-12-10 |archive-date=2015-12-11 |archive-url=https://web.archive.org/web/20151211020033/http://coins.about.com/od/coinsglossary/g/reedededgedef.htm |url-status=dead }}[https://archive.today/20130628102743/http://amazingfactsworld.com/why-do-some-coins-have-ridges-around-the-edges Why do some coins have ridges around the edges?]

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.