| Vleeming, Henk (BPP (Bund Philatelistischer Prüfer)) |
Attest |
NVPH |
3 c |
| Vleeming, Henk (BPP (Bund Philatelistischer Prüfer)) |
Attest |
NVPH |
3 c |
| Louis, Albert (AIEP (Association internationale des experts en philatélie)) |
Attest |
NVPH |
3 c |
| Muis, C. (Händlergarantien) |
Attest |
NVPH |
30 - 33 |
| Moeijes, W. (Sonstiges) |
Attest |
NVPH |
30 a AI |
| Vleeming, Henk (AIEP (Association internationale des experts en philatélie)) |
Attest |
NVPH |
30 F II; 32 ; 33 F |
| Sieger, Hermann Walter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
303 |
| Bühler, Georg (Sonstiges) |
Attest |
Sonstige |
32 |
