| Copa Libertadores 1971 - Appearances as Referee |  |
 |
 |
||||
| 24/02/1971 | Guaraní | - | Colo-Colo | 2:0 | - | - | - |
| 10/03/1971 | Fluminense RJ | - | Palmeiras | 1:3 | - | - | - |
| 16/03/1971 | Rosario Central | - | Universitario de Deportes | 2:2 | - | - | - |
| Copa Libertadores 1971 - Appearances as Referee | |
|
|
||||
| 24/02/1971 | Guaraní | - | Colo-Colo | 2:0 | - | - | - |
| 10/03/1971 | Fluminense RJ | - | Palmeiras | 1:3 | - | - | - |
| 16/03/1971 | Rosario Central | - | Universitario de Deportes | 2:2 | - | - | - |
| Complete name: | Arnaldo David Cézar Coelho |
| Born: | 15/01/1943 |
| Place of birth: |
Rio de Janeiro, 
Brazil |
| Nationality: |
Brazil |
| Profession: | Physiklehrer |