| Graus, Francisco (Sonstiges) |
Attest |
Edifil |
1 |
| Soro Bergua, Enrique (AIEP (Association internationale des experts en philatélie)) |
Attest |
Edifil |
1 A |
| Baschwitz, German (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
1 II |
| Saeftel, Henning (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
104 |
| Casas, Salustiano Orejas (Sonstiges) |
Attest |
Edifil |
1090 |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Scott |
1300 |
| Saeftel, Henning (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
138 |
| Graus, Francisco (Sonstiges) |
Attest |
Edifil |
14; 15; 16 |
