 |
 |
 |
|
 |
|
 |
| Start / | Knowledge / | Stamps / |
| Categories | Category Changes | Changes | Designs | Differences | Do It Yourself Postage Stamps | Fakes | Issue Occasions |
| Kinds | Parallel Issues | Quality | Shapes | Sizes | Semi-postal Postage Stamps Issue Occasions | ||
 |
Knowledge / Stamps / Postage Stamps / Parallel Issues |
Postage stamp parallel issue: the same postage stamps issued at the same time |
|
Postage stamp size parallel issue: the same postage stamps issued at the same time in different sizes |
|
    |
    |
The same rouletted or perforated postage stamps in different sizes |
The same postage stamps in different sizes |
Postage stamp design parallel issue: postage stamps issued at the same time with different designs |
Postage stamp category parallel issue: postage stamps issued at the same time in different categories |
   |
    |
Different commemorative postage stamps issued on 19.06.1984 |
Definitive postage stamps and official postage stamps |
 |
 |