What bookdealers really mean. A dictionary by Tom Congalton and Dan Gregory (Between the Covers), with additions from other sources
A portable case used to protect loose papers, plates, pamphlets, and the like. It usually consists of two boards with a wide cloth or paper joint forming the "spine." Can also refer to an artist's body of work.
Häufig werden Tafeln, Karten, Einblattdrucke oder Lose-Blatt-Sammlungen in Mappen aufbewahrt.