 |
 |
 |
|
 |
|
 |
| Start / | Knowledge / |
| Accidentals | Changes | Designs | Errors | Fakes | Issue Occasions | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
 |
Knowledge / Punchings / Changes |
Punching Change: the same postage stamps issued chronologic with different punchings |
Punching Introduction: the same postage stamps issued chronologic without and than with punching |
    |
Edition 1911: definitive postage stamps without punching |
 |
 |