# Coin edge

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{{Short description|Textured edge of a coin, sometimes lettered}}
thumb|200px|Coin edge inscription mill
'''Coin edges''' are the parts of a [coin](/source/coin)'s surface between the faces; they may be plain (smooth) or patterned, or a combination of both. They can also include lettering.

[Reeded edge](/source/Reeded_edge)s are often referred to as "ridged" or "grooved" (US usage), or "milled" (UK usage).<ref>Concise Oxford Dictionary (2006): '''mill''', produce regular ribbed markings on the edge of (a coin)</ref> Some coins, such as [United States quarters](/source/Quarter_(United_States_coin)) and [dimes](/source/Dime_(United_States_coin)), have reeded edges.  Reeding of edges was introduced to prevent  [coin clipping](/source/coin_clipping) and [counterfeiting](/source/counterfeiting).<ref name="AboutCoins">{{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 }}</ref><ref name="BSOAF">[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?]</ref>

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 mill](/source/coin_mill)s with edge rings, which pattern the edge at the time when the coin is being milled.

==Inscriptions==
{{anchor|EdgIns}}<!-- [Edge inscription](/source/Edge_inscription) and [Edge lettering](/source/Edge_lettering) redirect here-->
[[File:5 franc, 1873 (Hercule) - French Fifth Republic (Coin edges) 3.jpg|thumb|{{lang|fr|Dieu★ protège★la★France★★★}} "God protect France" on the edge of 1873 five-[franc](/source/French_franc) coins]]
Examples of '''edge inscriptions''' or '''edge lettering''' include {{lang|la|[e pluribus unum](/source/e_pluribus_unum)}} on the edge of U.S. [Presidential dollar coins](/source/Presidential_dollar_coins), various national [€2 edge inscriptions](/source/%E2%82%AC2_edge_inscriptions), and various phrases on the UK [one pound coin](/source/one_pound_coin), most commonly {{lang|la|[decus et tutamen](/source/decus_et_tutamen)}}. Inscriptions are more common on thicker, higher-value, or [non-circulating](/source/Non-circulating_legal_tender) coins.

== See also ==
* [Pearl circle](/source/Pearl_circle) on coins

==References==

{{Commons category}}

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Category:Numismatics
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