Keywords: MID8687, SMID8885, Achilleus 86, Olympos I 15a, oscillum, relief, Roman, marble, 1/100, Pompei IX 7.20 (House of Fortuna), peristyle, Italy, Napoli, Museo Archeologico Nazionale, 126234-126235, rock, cliff, pipe, flute, aulos, tibiae, centaur, Achilleus, Cheiron, Marsyas I, Olympos I