| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| The Lutz, Committee Ltd. (Prüferkommission) | Attest | Michel | 3 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Michel | 3 a |
| The Philatelic Foundation, (Prüferkommission) | Attest | Michel | 9 IIF |
| The Philatelic Foundation, (Prüferkommission) | Attest | Michel | 10 H |
| The Philatelic Foundation, (Prüferkommission) | Attest | Michel | 9 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Michel | 559 K |
| The Philatelic Foundation, (Prüferkommission) | Attest | Michel | C 3b; c3 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Michel | |
| The Philatelic, Federation of Japan Inc. (Prüferkommission) | Attest | Michel | 8; 5 I |
| Thom, Einar (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | Essay |
| Thom, Einar (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 8 y |
| Thom, Einar (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 22 P III U |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 b |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | SU 1 A |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 a |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 yb III |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 c; 2 ax |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 b I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 c III |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 cIII |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1. Probe 2. Ausgabe |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | | Michel | 2 a |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a x |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2. Probe 2. Ausgabe |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 a; 3 b; 4 b; 5 |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 aI |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 3 a I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 3 III |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 4 a I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 5 I |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 5 I; II; 2 y |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 5 II; 1 a; 3 b |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 6 b |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | U 10 A; 23; 28 c |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 10 |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 10; 8 |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 10 |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 10 |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 11 b |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 12 |
| Thoma, Heinz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | P 13; 37 |
