The identification of lac as a pigment in ancient Greek polychromy - The case of a Hellenistic oinochoe from Canosa di Puglia

In addition to confirming the power of HPLC-MS in terms of the sensitivity and specificity of information, that in many cases allows species differentiation, these discoveries raise many questions, not least of which is the real extent of use of insect-derived colourants, as part of the polychrome palette of these votive objects and ancient polychromy in general. The implications of this use in the wider context of pigment manufacture in Antiquity, particularly in terms of the trade in raw materials, must also be considered.