| Friendlies 1956 - Appearances as Referee |  |
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 |
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| 25/04/1956 | Italy | - | Brazil | 3:0 | - | - | - |
| 01/05/1956 | Saarland | - | Switzerland | 1:1 | - | - | - |
| 16/05/1956 | Sweden | - | England | 0:0 | - | - | - |
| 03/06/1956 | Belgium | - | Hungary | 5:4 | - | - | - |
| 11/11/1956 | Switzerland | - | Italy | 1:1 | - | - | 1 |
| Friendlies 1956 - Appearances as Referee | |
|
|
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| 25/04/1956 | Italy | - | Brazil | 3:0 | - | - | - |
| 01/05/1956 | Saarland | - | Switzerland | 1:1 | - | - | - |
| 16/05/1956 | Sweden | - | England | 0:0 | - | - | - |
| 03/06/1956 | Belgium | - | Hungary | 5:4 | - | - | - |
| 11/11/1956 | Switzerland | - | Italy | 1:1 | - | - | 1 |
| Complete name: | Leopold Sailvin Horn |
| Born: | 29/08/1916 † 16/09/1995 |
| Place of birth: |
Sittard, 
Netherlands |
| Nationality: |
Netherlands |