Keywords: MID20346, SMID21253, Agamemnon 30, Artemis 1373, Iphigeneia 11, Kalchas 23, I. 2.a. Opfer gr 588, crater: volute crater, vase painting, red figured, Apulia, terracotta, Ilioupersis Painter, -375/-340, United Kingdom, London, British Museum, F 159, altar, oinochoe, knife, branch, bukranion, sacrificial assistant, fillet, taenia, tainia, hind, tray, lanx, catinus, altar with protection against wind, altar: monolithic block, Agamemnon, Apollon, Artemis, Iphigeneia, Kalchas