A process using and intaglio press to raise an image on a paper surface, producing a three-dimensional effect. Engraving - Intaglio printing technique that uses a resist liquid or ground to cover a metal that is then eaten away by an acid bath. This leaves a depressed line in the surface of the plate. Ink is then rubbed into the depression and printed with an intaglio or etching press. Fugitive - In reference to ink, fugitive means the pigment is not stable or will fade at a fast rate.
Fugitive pigments are synthetic based and made of cheap components.
It is signed and numbered in pencil by the artist, and printed on fine art paper. Hors de' Commerce - Also referred to as Travel Proof. Prints not equal in quality to the edition that may have minor flaws. These usually aren't signed and are cancelled in some way, such as a hole in a corner or a stamp indicating they are not for sale. These prints are used by sales people to show to potential clients.