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Knowledge / Prints / Postage Stamp Third Overprints / Accidentals

postage stamp third overprint accidental: philatelic term for a postage stamp third overprint deviation caused by accidental

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

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