Nahman Avigad, Beth She’arim III: Catacombs 12–13 (Jerusalem: Israel Exploration Society, 1976), p. 188; and Crawford, Byzantine Shops, pp. 18, 79. A valuable discussion of Christian objects found in Jewish contexts (and vice versa) has appeared in Leonard V. Rutgers, The Jews in Late Ancient Rome: Evidence of Cultural Interaction in the Roman Diaspora (Leiden: E.J. Brill, 1995), pp. 81–92.