 |
 |
 |
|
 |
|
 |
| Start / | Knowledge / | Stamps / |
| Accidentals | Changes | Designs | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
 |
Knowledge / Stamps / Additional Stamp Impressions / Differences |
Additional stamp impression difference: common term for two the same postal stationeries with no additional stamp impression agreement |
|
 |
 |
Additional stamp impression design difference: common term for two the same postal stationeries with no additional stamp impression agreement |
|
 |
 |