Convém Martelar
| MPAA Rating: | NR |
| Genre: | Short |
| Country: | Brazil, Portugal |
| Directed By: | António Silva, Manuel F. Araujo |
| Cast: | Albino Vidal, Josefina Silva, Carlos Barbosa, Manuel F. Araujo, António Silva, Adhemar Gonzaga |
| In Theaters: | Jan 28, 1920 |
| Runtime: | 20 minutes |
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