 |
 |
 |
|
 |
|
 |
| Start / | Knowledge / |
| Accidentals | Changes | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
 |
Knowledge / Gums / Printers Waste |
Gum Printers Waste: during the production of a gum arising printers waste |
|
   |
 |
Missing Gum: postage stamp with not carried out gum caused by printers waste |
Gum Colour Printers Waste: printers term for a deviation from the intended gum colour caused by printers waste |
 |
 |
Bark Gum: postage stamp with unevenly thick and very streaky gum caused by printers waste |
Streaked Gum: postage stamp provided with a unevenly gum with stripes, elongated grooves and / or small gum-free areas caused by printers waste |
 |
|
Gum With Alien Element: postage stamp in which an alien element was included in the gum caused by printers waste |
|
 |
 |