Shifted postage stamp third overprint: postage stamp with shifted postage stamp third overprint to another position as intended caused by accidental |
Light postage stamp third overprint: postage stamp with clear but too light postage stamp third overprint caused by acci-dental |
Strong postage stamp third overprint: postage stamp with clear but too strong postage stamp third overprint caused by accidental |
Oily postage stamp third overprint: postage stamp with too much oil in the postage stamp third overprint colour which runs out caused by accidental |
