Abstract: A machine for marking skins or other articles in sheet form by perforation, comprising:
a support structure for m rows each formed from n vertical punches, m and n being whole numbers with m≧1 and n≧2, the upper ends of the punches being inserted into holes of a corresponding plate elastically supported on the support structure, each lower end of the vertical punches of each row interacting with a corresponding wedge element of a plurality of n.