Colour-proofing sheet and production process

The invention relates to a color proofing film comprising a support, a multicolor image layer consisting of a plurality of part color images and a transparent cover layer, the cover layer consisting of a lower layer of a thermoplastic adhesive layer which is non-tacky at room temperature and contains at least one thermoplastic polymer, and an upper layer consists of an antiblocking layer which does not block at temperatures up to 50 ° C and contains at least one organic polymer. The color proofing film can have a matte finish, give an undistorted image of the original and are resistant to scratches or fingerprints.