Lot No. 778
| Auction No. | 25 |
| Category |
Literature Airmails |
| Est. | $30 |
| Status | SOLD $55 |
"Sieger Zeppelin Post catalogue" (1995) & Michel Zeppelin Specialised catalogue (2003 in English). Latter item "as new". Useful references with Michel containing photos of the airships. (2)