 |
 |
 |
|
 |
|
 |
| Start / | Knowledge / |
| Accidentals | Changes | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
 |
Knowledge / Gums / Quality |
Gum Quality: subjective assessment of the quality of all properties of a gum |
||||||
 |
 |
 |
 |
 |
 |
 |
mint never hinged |
mint with sticking point |
mint with hinge part |
mint with hinge |
mint with hinges |
mint part gum |
without gum |
Gum quality grades: subjective perception of a gum quality in different grades and conditions |
||
  |
  |
  |
Faultless gum: gum without conditional of manufacturing or wrong handling originated quality defect |
Faulty gum: common term for a gum with conditional of manufacturing or wrong hand-ling originated quality defect |
Damaged gum: gum with quality defect originated by wrong handling |
    |
   |
|
Labeled gum: gum with private handwrit-ten text which can not removed traceless |
Discoloured gum: gum with changed colour by light or chemical reaction |
|
 |
 |