E. R. Goodenough, Jewish Symbols in the Greco-Roman Period (New York, 1953–68), Vol. II, Figs. 58, 160.
See O. Seyffert, Dictionary of Classical Antiquities, revised and edited by H. Nettleship and J. E. Sandys (New York, 1959), p. 164, 586b.
For such a crown on coins, see L. Kadman, The Coins of Caesarea Maritime (Jerusalem, 1957), Vol. II, 3, 126, 127, 189, 218.