| Friendlies 1930 - Appearances as Referee |  |
 |
 |
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| 16/06/1930 | Finland | - | Denmark | 1:6 | - | - | - |
| 07/09/1930 | Denmark | - | Germany | 6:3 | - | - | - |
| Friendlies 1930 - Appearances as Referee | |
|
|
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| 16/06/1930 | Finland | - | Denmark | 1:6 | - | - | - |
| 07/09/1930 | Denmark | - | Germany | 6:3 | - | - | - |
| Complete name: | Karl Oskar Olsson |
| Born: | 04/09/1892 † 11/12/1970 |
| Place of birth: |
Göteborg, 
Sweden |
| Residence: | Göteborg |
| Nationality: |
Sweden |