PISIDIA. Antiochia. Annia Faustina, Augusta, 221. 'Quadrans' (Bronze, 17 mm, 2.11 g, 6 h). ANNIA FAVSTINA AVG Draped bust of Annia Faustina to right. Rev. ANTIOCH COL/ONI Lupa Romana standing right, suckling the twins Romulus and Remus. RPC VI online 6575. SNG Paris 1184. Rare. Traces of silvering and with some deposits, otherwise, very fine.
The silvering of Roman Provincial coins is a very rare phenomenon and most likely reflects private preference rather than an official practice.