| KNVB beker 1978/1979 - Appearances as Referee |  |
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 |
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| 19/08/1978 | FC Vlaardingen '74 | - | VV Noordwijk | 1:2 | - | - | - |
| 17/11/1978 | Fortuna SC | - | De Graafschap | 2:0 aet | 1 | - | - |
| 04/04/1979 | AFC Ajax | - | Fortuna SC | 2:0 | - | - | - |
| KNVB beker 1978/1979 - Appearances as Referee | |
|
|
||||
| 19/08/1978 | FC Vlaardingen '74 | - | VV Noordwijk | 1:2 | - | - | - |
| 17/11/1978 | Fortuna SC | - | De Graafschap | 2:0 aet | 1 | - | - |
| 04/04/1979 | AFC Ajax | - | Fortuna SC | 2:0 | - | - | - |
| Complete name: | Piet Bosman |
| Born: | 03/11/1936 † 15/11/2014 |
| Place of birth: |
Rotterdam, 
Netherlands |
| Nationality: |
Netherlands |