| Champions League 1955/1956 - Appearances as Referee |  |
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| 12/10/1955 | Real Madrid | - | Servette FC | 5:0 | - | - | - |
| Champions League 1955/1956 - Appearances as Referee | |
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| 12/10/1955 | Real Madrid | - | Servette FC | 5:0 | - | - | - |
| Complete name: | Riccardo Pieri |
| Born: | 07/11/1920 † 00/00/1965 |
| Place of birth: |
Trieste, 
Italy |
| Residence: | Trieste |
| Nationality: |
Italy |