Knowledge / Prints / Third Overprints / Mistakes

Third Overprint Mistake: printers term for a deviation caused by third overprint mistake

Shifted Third Overprint: postage stamp with caused by mistake shifted third overprint to another position as intended

Inverted Third Overprint: postage stamp with caused by mistake inverted instead upright third overprint

Light Third Overprint: postage stamp with caused by mistake clear but too light third overprint

Strong Third Overprint: postage stamp with caused by mistake clear but too strong third overprint

Oily Third Overprint: postage stamp with caused by mistake too much oil in the third overprint colour which runs out