Savoca Numismatik , 26th Silver Auction, Los 329 Roman Provincial Bithynia. Nikomedia. Trebonianus Gallus AD 251-253. Bronze Æ 23mm., 6,14g. Γ ΒΙ [ΤΡ]ΕΒΩ ΓΑΛΛΟϹ ΑV, radiate and cuirassed bust of Gallus, left, c/m: H within incuse circle / ΝΙΚΟΜΗΔ-Ε-ΩΝ Δ-Ι ΝΕΩΚ[ΟΡ]-ΩΝ (MH, ΩΝ, ΩΝ ligate), Gallus, radiate, on horseback riding, left, raising right arm and holding transverse sceptre in left han...