| Friendlies 1977 - Appearances as Referee |  |
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| 21/09/1977 | Switzerland | - | Spain | 1:2 | - | - | - |
| Friendlies 1977 - Appearances as Referee | |
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| 21/09/1977 | Switzerland | - | Spain | 1:2 | - | - | - |
| Complete name: | Ferdinand Biwersi |
| Born: | 24/06/1934 † 04/09/2013 |
| Place of birth: |
Bliesransbach, 
Germany |
| Residence: | Saarbrücken |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 120 |