| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 6 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
41 |
| The Stamp Authentication Section of, the China National Postage Museum (Sonstiges) |
Attest |
Scott |
42 a |
| Crowe, William T. (Sonstiges) |
Attest |
Scott |
42 L 2 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
43 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
43 A |
| Mikulski, Zbigniew S. (AIEP (Association internationale des experts en philatélie)) |
Attest |
Scott |
43 a |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
43; 47 |
