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Den røde rubin
- Tahun: 1970
- Negara: Denmark
- Aliran: Percintaan, Drama, Komedi
- Studio: Palladium
- Kata kunci: pianist, headmaster, girls' school
- Direktur: Annelise Meineche
- Pemeran: Ole Søltoft, Ghita Nørby, Lotte Horne, Annie Birgit Garde, Gertie Jung, Lizzi Varencke