| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
43 A |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
ACSC: Australien-Commonwealth-Spezialist-Katalog |
43 A |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
43; 47 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
44 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
44 - 53 |
| Perfin Club of New Zealand and Australia Incorporated, . (Prüferkommission) |
Sonstiges |
Stanley Gibbons |
44 (D)d/(V)d |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
44 var |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
44; 55; 56; 57 |
