| Friendlies 1921 - Appearances as Referee |  |
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| 01/05/1921 | Switzerland | - | Austria | 2:2 | - | - | - |
| Friendlies 1921 - Appearances as Referee | |
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| 01/05/1921 | Switzerland | - | Austria | 2:2 | - | - | - |
| Complete name: | Carl Koppehel |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |