Keywords: MID9330, SMID9532, Dioskouroi/Castores 26, Hypnos/Somnus 161, Orestes 3, Pylades 2, statue group, sculpture in the round, Roman, marble, -15/1, Spain, Madrid, Museo Nacional del Prado, 28-E, wreath, crown, stephane, corona, altar, phiale, phiale mesomphalos, patera, garland, torch, cult image, cult statue, fillet, taenia, tainia, altar: monolithic block, Orestes, Pylades