| Vleeming, Henk (AIEP (Association internationale des experts en philatélie)) |
Attest |
NVPH |
24 L |
| Vleeming, Henk (AIEP (Association internationale des experts en philatélie)) |
Attest |
NVPH |
25 H |
| Muis, C. (Händlergarantien) |
Attest |
NVPH |
25 H |
| Vleeming, Henk (BPP (Bund Philatelistischer Prüfer)) |
Attest |
NVPH |
3 a I |
| 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 |
