 |
 |
 |
|
 |
|
 |
| Start / | Knowledge / | Prints / |
| Accidentals | Changes | Designs | Differences | Errors | Fakes | Issue Occasions | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality | Safety Measures |
 |
Knowledge / Prints / Postage Stamp Reverse Prints / Safety Measures |
Postage stamp reverse print safety measure: safety measures that was carried out as a postage stamp reverse print |
|
    |
  |
Control number postage stamp reverse print: postage stamp that has been given a consecutive number on reverse to prevent forgeries |
Moir postage stamp reverse print: postage stamp that has been printed with a wavy line on reverse to prevent forgeries |
    |
  |
Face value postage stamp reverse print: postage stamp that has been printed with a repeat of the face value on reverse to prevent forgeries (control number) |
Text postage stamp reverse print: postage stamp that has been printed with text on reverse to prevent forgeries |
 |
 |