| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Michel | |
| APS, (American Philatelic Society) (Prüferkommission) | Attest | Michel | 28 A |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | C 1 - C 6 |
| The Philatelic Foundation, (Prüferkommission) | Sonstiges | Scott | 1 |
| Weiss Expertizing International, . (Sonstiges) | Sonstiges | Scott | 1 A |
| PSE, Professional Stamp Experts (Prüferkommission) | Sonstiges | Scott | 2 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 2 |
| The Philatelic Foundation, (Prüferkommission) | Sonstiges | Scott | 2 |
| PSAG (Philatelic Stamp, Authetication and Grading) (Prüferkommission) | Attest | Scott | E 3 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | E 3 |
| Weiss jr., William R. (Sonstiges) | Attest | Scott | 4 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 5 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 5 A |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 5 |
| Weiss Expertizing International, . (Sonstiges) | Attest | Scott | 5 A |
| Weiss jr., William R. (Sonstiges) | Attest | Scott | 5 A |
| PSAG (Philatelic Stamp, Authetication and Grading) (Prüferkommission) | Attest | Scott | C 6 |
| PSAG (Philatelic Stamp, Authetication and Grading) (Prüferkommission) | Attest | Scott | C 6 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | C 6 |
| The One Cent Franklin Plating Archive, Richard Doporto (Sonstiges) | Attest | Scott | 7 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 7 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 7 |
| The One Cent Franklin Plating Archive, Richard Doporto (Sonstiges) | Attest | Scott | 8 A |
| Weiss jr., William R. (Sonstiges) | Attest | Scott | 10 |
| Weiss jr., William R. (Sonstiges) | Attest | Scott | 10 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 11 |
| Weiss jr., William R. (Sonstiges) | Attest | Scott | 12 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | 13 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | C 13 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | C 14 |
| PSE, Professional Stamp Experts (Prüferkommission) | Sonstiges | Scott | 14 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | C 15 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 19 |
| PSE, Professional Stamp Experts (Prüferkommission) | Sonstiges | Scott | 19 |
| The Philatelic Foundation, (Prüferkommission) | Sonstiges | Scott | 19 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 21 |
| The One Cent Franklin Plating Archive, Richard Doporto (Sonstiges) | Attest | Scott | 21 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 23 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | C 23 c |
| Crowe, William T. (Sonstiges) | Attest | Scott | 28 A |
| Weiss jr., William R. (Sonstiges) | Attest | Scott | 28 A |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 30 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 30 A |
| Crowe, William T. (Sonstiges) | Attest | Scott | 31 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 39 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 56 |
| Crowe, William T. (Sonstiges) | Attest | Scott | J60 |
| Weiss Expertizing International, . (Sonstiges) | Attest | Scott | 97 |
| Weiss jr., William R. (Sonstiges) | Attest | Scott | 118 |
| The Philatelic Foundation, (Prüferkommission) | Sonstiges | Scott | 132 |
