Knowledge / Safety Measures / Press Marks / Mistakes

Press mark mistake: printers term for a deviation caused by a press mark mistake

Missing press mark: postage stamp with not printed press mark caused by mistake

Shifted press mark: postage stamp with shifted press mark to another position as intended caused by mistake

Split press mark: postage stamp with shifted press mark which is extended over multiple sheet positions caused by mistake

Inverted press mark: postage stamp with inverted instead upright press mark caused by mistake

Double press mark: postage stamp with twice instead of once the same press mark caused by mistake

Press mark on front: postage stamp with press mark on front instead on revers caused by mistake

Light press mark: postage stamp with clear but too light press mark caused by mistake

Strong press mark: postage stamp with clear but too strong press mark caused by mistake

Press mark plate with mistake: printers term for a press mark printed from a damaged printing form caused by mistake