Hand Postmark Mistake: printers term for a deviation caused by a hand postmark mistake
Hand Postmark Text Mistake: printers term for a deviation in the hand postmark text caused by mistake
Hand Postmark Design Mistake: printers term for a deviation in the hand postmark design caused by mistake
Partly Inverted Hand Post-mark: postage stamp with partly 180 degrees rotated horizontal hand postmark caused by mistake
Hand Postmark Date Incor-rect Setting: hand postmark for which an incorrect current date was set caused by mistake