| FNIP - Federation of, national and international stamp dealers (Prüferkommission) |
Attest |
COB / OBP / OCP |
10 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Michel |
10 a |
| Brettl, Schmitt (Prüferkommission) |
Attest |
Michel |
10 a |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Michel |
10 a |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
10 a |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
10 ac |
| Verein Bremer, Briefmarkensammler e.V. (Prüferkommission) |
Attest |
Michel |
10 b |
| Gummesson, Rolf und Per (Prüferkommission) |
Attest |
Michel |
10 c |
