average very fine, all emissions which still retained a high silver content (100) (lot) " /> Roman Empire, a group of 100 Billon Tetradrachms of the Third Century AD, the majority being of Caracalla (AD 198-217) from a good range of eastern mints, but also including similar coins of other Severans, Macrinus, as well as several Third Century "solider emperors" such as Philip I, Trebonianus Gallus, Gordian III, etc., <I>average very fine, all emissions which still retained a high silver content</I> (100) (lot) | Christie's