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Twelve Labours Altemps Inv. Front panel from sarcophagus with the Labours of Heracles from left to right the Nemean Lion the Lernaean Hydra the Erymanthian Boar the Ceryneian Hind the Stymphalian birds the Girdle of Hippolyta the Augean stables the Cretan Bull and the Mares of Diomedes Luni marble Roman artwork from the middle rd