Jean Koster is a retired football referee from Luxembourg. Career record in the WorldReferee database spans 1981 to 1984. Jean Koster has officiated 3 matches across 3 competitions in our database. 1 penalties awarded. Competitions include European Cup2 1981 - 1982, European Cup 1984 - 1985.
| European Cup 1984 - 1985 | |||||||
| 1st round | Austria Wien | vs | Valletta | 4 - 0 | 1984-09-19 | ||
| friendly | |||||||
| Switzerland | vs | Yugolsavia | 2 - 0 | 1983-10-26 | |||
| European Cup2 1981 - 1982 | |||||||
| 1st round | Standard | vs | Floriana FC | 9 - 0 | 1981-10-01 | ||
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