Satyr filling vase from wineskin. This fragment has all the salient characteristics of a mold used to manufacture a relief bowl: faint horizontal striations indicating it was wheel made; incised designs on a concave surface; and no trace of glaze.
Alexander, Christine. 1943. Corpus Vasorum Antiquorum. United States of America 9. The Metropolitan Museum of Art, New York 1. Arrentine Relief Ware. pl. XXXIX.2, Cambridge, MA: Harvard University Press.