Engraving

A method of cutting or incising a design into a material, usually metal, with a sharp tool called a graver. One of the intaglio methods of making prints, in engraving, a print can be made by inking such an incised (engraved) surface. It may also refer to a print produced in this way. Most contemporary engraving is done in the production of currency, certificates, etc.  (Artlex.com)

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