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Reeding Reeding is a technique wherein "reeds" are carved or milled into a surface.〔(The Free Dictionary: "Reeding" )〕〔(Dictionary.com: "Reeding" )〕 ==Numismatics== In numismatics, 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. One reason for having reeded edges was to prevent counterfeiting.〔(About.com: "Reeded Edge Defined - What is a Reeded Edge?" )〕〔(Why do some coins have ridges around the edges? )〕 Another benefit of certain coins having reeded edges is that it helps enable different coin denominations to be easily identified and distinguished from each other by sense of touch alone.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Reeding」の詳細全文を読む
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