Punch Mistake: printers term for a deviation caused by a punch mistake |
|
|
|
Shifted Perforation: deviation from the intended perforation position |
Misperforated Postage Stamp: shifted perforation split on multible postage stamps |
Sheet Turn-Over: paper sheet turned over before perforation |
|
|
|
|
Blind Perforation: perforation with not fully punched holes |
Partly Blind Perforation: perforation with not fully punched holes at one or more, but not at all four, sides |
|
|
|
|
Missing Perforation: postage stamp without perforation at all sides caused by a mistake |
Partly Missing Perforation: postage stamp with missing perforation at one or more, but not at all four, sides caused by a mistake |
Missing Perforation Hole: perforation with a missing hole caused by a broken perforation pin |
Pair With Missing Perforation in Between: pair with missing perforation in between caused by a mistake |
|
|
|
|
Block of 4 With Missing Perforation in Between: sheet part with missing perforation in between caused by a mistake |
Oblique Perforation: postage stamp with perforation shifted out of alignment |
Oblique Perforation: postage stamp with perforation shifted out of alignment |
Inverted Perforation: sheet with 180 degrees rotated perforation |
|
|
|
|
Double Perforation: postage stamp twice perforated at all sides |
Partly Double Perforation: postage stamp twice perforated at one or more, but not at all four, sides |
Rough Perforation: imperfect perforation with paper rest in the holes |
Irregular Perforation: perforation with holes not in a line |
|
|
|
|
Perforation Size Error: postage stamp with a different number of perforation elements at all four sides caused by a mistake |
Partly Perforation Size Error: postage stamp with a different number of perforation elements at one or more, but not at all four, sides caused by a mistake |
Perforation Size Difference: deviation from the intended size of a perforation |
Level Out Tooth: from the standard deviate tooth to avoid misperforated postage stamps |
|
Straggering Perforation: perforation with uneven space between the holes |