| Company | Auction | Date | Lots |
|---|---|---|---|
| Ars Classica | Catalogue 17 (please log in) | 3. Oct. 1934 | 1'914 |
| Ars Classica | Catalogue 16 (please log in) | 3. July 1933 | 1'964 |
| Ars Classica | Catalogue 14 (please log in) | 2. July 1929 | 448 |
| Ars Classica | Catalogue 13 (please log in) | 27. June 1928 | 1'209 |