Overprint Varnish

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A varnish applied to a printed piece as a coating after printing, in contrast to the application of varnish to the formulation of the ink vehicle itself before printing. Overprint varnishing is typically performed—either on-press or as part of the finishing processes—for aesthetic purposes or to protect the printing from moisture, abrasion, or other potential sources of damage. (See also Spot Varnish.)