BITHYNIA. Nicomedia. Trebonianus Gallus, 251-253. AE (Bronze, 25 mm, 7.90 g, 1 h). Γ ΒΙ ΤЄΡ (sic!) ΓΑΛΛΟϹ ΑΥ Radiate and cuirassed bust of Trebonianus Gallus to left, holding spear and shield; on shoulder, countermark: H within round incuse. Rev. ΝΙΚΟΜΗΔΕΩΝ ΔΙϹ ΝΕΩΚΟΡ/ΩΝ Trebonianus Gallus on horseback to left, raising his right hand in salute and holding scepter in his left. RPC IX 352. For countermark, Howgego 821. Very rare. Very fine.