Der Prüfstein
| MPAA Rating: | NR |
| Genre: | Short |
| Country: | Germany |
| Directed By: | Ernst Martin |
| Written By: | Werner E. Hintz, Frank Braun |
| Cast: | Tine Schneider, Charlott Daudert, Gerda Peter, Toni Tetzlaff, Erik Bauer, Oscar Sabo, Lotte Spira, Josefine Dora, Karel Stepanek, Leo Peukert, Ernst Behmer |
| In Theaters: | N/A |
| Runtime: | 15 minutes |
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