Terracotta lekythos (oil flask) 2nd half of the 6th century B.C. Greek, Attic Theseus slaying the MinotaurThe lekythos is decorated in Six's technique, in which the background is in black glaze and the figures appear with incised contours through the black glaze or with applied white, red, or brown paint.. Terracotta lekythos (oil flask). Greek, Attic. 2nd half of the 6th century B.C.. Terracotta; Six's technique. Late Archaic or Early Classical. Vases