| Friendlies 1925 - Appearances as Referee |  |
 |
 |
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| 18/01/1925 | Italy | - | Hungary | 1:2 | - | - | - |
| 19/04/1925 | Switzerland | - | Netherlands | 4:1 | - | - | - |
| 08/11/1925 | Hungary | - | Italy | 1:1 | - | - | - |
| Friendlies 1925 - Appearances as Referee | |
|
|
||||
| 18/01/1925 | Italy | - | Hungary | 1:2 | - | - | - |
| 19/04/1925 | Switzerland | - | Netherlands | 4:1 | - | - | - |
| 08/11/1925 | Hungary | - | Italy | 1:1 | - | - | - |
| Complete name: | Marcel Slawick |
| Born: | 13/02/1881 † 15/08/1973 |
| Place of birth: |
Paris, 
France |
| Nationality: |
France |