| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
40 a |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
ACSC: Australien-Commonwealth-Spezialist-Katalog |
40 A |
| Philatelic Federation of South Africa, (Prüferkommission) |
Attest |
Stanley Gibbons |
40 a |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
40 e |
| Philatelic Federation of South Africa, (Prüferkommission) |
Attest |
Stanley Gibbons |
40 ea |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 6 |
