Hedgehogs are among the most common forms of faience oil flasks. The center of production of these vases has traditionally been identified as Naucratis, a Greek trading colony on the Nile Delta, in Egypt.
Hoppin, James C. and Albert Gallatin. 1926. Corpus Vasorum Antiquorum, USA 1, Hoppin and Gallatin Collections. p. 82, Gallatin pl. 33.8, Cambridge, MA: Harvard University Press.
Lullies, Reinhard. 1952. Corpus Vasorum Antiquorum, Deutschland 9. München 3. Museum Antiker Kleinkunst. p. 50, Munich: C. H. Beck.