| Krug, Hansmichael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28 |
| Lange & Fialkowski, Briefmarkenversteigerungen (Händlergarantien) |
Attest |
Michel |
28 |
| Sommer, Martin-Wolfgang (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
28 DD |
| Krug, Hansmichael (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
28 I |
| Krug, Hansmichael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28 II |
| Sommer, Martin-Wolfgang (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28 PF I |
| Sommer, Martin-Wolfgang (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28; 28I |
| Krug, Hansmichael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
29 |