| Copa Libertadores 1977 - Appearances as Referee |  |
 |
 |
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| 24/05/1977 | Portuguesa FC | - | Sport Boys | 0:0 | - | - | - |
| 16/08/1977 | Boca Juniors | - | Deportivo Cali | 1:1 | - | - | 1 |
| Copa Libertadores 1977 - Appearances as Referee | |
|
|
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| 24/05/1977 | Portuguesa FC | - | Sport Boys | 0:0 | - | - | - |
| 16/08/1977 | Boca Juniors | - | Deportivo Cali | 1:1 | - | - | 1 |
| Complete name: | Arnaldo David Cézar Coelho |
| Born: | 15/01/1943 |
| Place of birth: |
Rio de Janeiro, 
Brazil |
| Nationality: |
Brazil |
| Profession: | Physiklehrer |