| BPA, Expertising Limited (Prüferkommission) |
Attest |
Sonstige |
|
| Poon, Kam Leung (Sonstiges) |
Attest |
ohne Angabe |
|
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Yang |
013 |
| Haveman, B. Walter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
1079 - 1081 |
| Haveman, B. Walter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 II |
| The Stamp Authentication Section of, the China National Postage Museum (Sonstiges) |
Attest |
Scott |
42 a |
| Haveman, B. Walter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
67; 75; 101; 103; 203; 207 |
| Haveman, B. Walter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
67; 75; 101; 103; 203; 207 |
