| Champions League 1955/1956 - Appearances as Referee |  |
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| 21/09/1955 | Aarhus GF | - | Stade Reims | 0:2 | - | - | - |
| 23/11/1955 | 1. FC Saarbrücken | - | AC Milan | 1:4 | - | - | - |
| Champions League 1955/1956 - Appearances as Referee | |
|
|
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| 21/09/1955 | Aarhus GF | - | Stade Reims | 0:2 | - | - | - |
| 23/11/1955 | 1. FC Saarbrücken | - | AC Milan | 1:4 | - | - | - |
| Complete name: | Klaas Schipper |
| Born: | 02/12/1910 † 19/07/1961 |
| Place of birth: |
Delfzijl, 
Netherlands |
| Nationality: |
Netherlands |