- Seated Helvetia, standing Helvetia, Pro Juventute, airmail stamps
- MNH blocks Michel no. 6, no. 7, no. 8, no. 9 (creased), no. 10, no. 13, no.
15, no. 16, no. 17; among them no. 4, no. 5 and no. 11 are MH.
The catalogue value for the blocks is already 1200 euros according to Michel 2016.
The pictures give a good impression.
- Geographic Origin
- Short Description
- Blocks and stamps
- Has certificate or expert signature
- Year of oldest stamps
- Year of the youngest stamps
- Cancelled, MH (Mint hinged), MNH (Mint never hinged)