| Copa Libertadores 1973 - Appearances as Referee |  |
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 |
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| 13/03/1973 | Botafogo - RJ | - | Palmeiras | 2:0 | - | - | - |
| 25/03/1973 | Colo-Colo | - | El Nacional | 5:1 | - | - | - |
| Copa Libertadores 1973 - Appearances as Referee | |
|
|
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| 13/03/1973 | Botafogo - RJ | - | Palmeiras | 2:0 | - | - | - |
| 25/03/1973 | Colo-Colo | - | El Nacional | 5:1 | - | - | - |
| Complete name: | Arnaldo David Cézar Coelho |
| Born: | 15/01/1943 |
| Place of birth: |
Rio de Janeiro, 
Brazil |
| Nationality: |
Brazil |
| Profession: | Physiklehrer |