Keywords: MID43664, SMID45906, Acheloos 209, Altar, relief, Roman, marble, -100/-66, Italy, Amelia, Raccolta Comunale Archeologica (Palazzo Comunale), tankard, skyphos, kotyle, scyphus, fire (on altar), garland, bukranion, pipe, flute, aulos, tibiae, protome, satyr, silen, nymph, altar: round altar, Acheloos, Pan