Auction 274-283
Switzerland
| Show all lots | 1049 |
| Airmail | 49 |
| Basle | 7 |
| Cantonals (lots) | 23 |
| Federal stamps | 19 |
| Forerunner | 10 |
| Geneva | 46 |
| Officials | 4 |
| Pro Juventute | 21 |
| Pro Patria | 5 |
| Rayon | 12 |
| Rayon I darkblue | 25 |
| Show all lots | 1049 |
| Airmail | 49 |
| Basle | 7 |
| Cantonals (lots) | 23 |
| Federal stamps | 19 |
| Forerunner | 10 |
| Geneva | 46 |
| Officials | 4 |
| Pro Juventute | 21 |
| Pro Patria | 5 |
| Rayon | 12 |
| Rayon I darkblue | 25 |