BITHYNIA. Nicaea. Trebonianus Gallus, 251-253. Tetrassarion (Bronze, 23 mm, 6.78 g, 1 h), Homonoia with Byzantium in Thrace. ΑΥΤ Κ Γ ΒΕΙΒ ΓΑΛΛΟC ΑΥ Radiate, draped and cuirassed bust of Trebonianus Gallus to right, seen from behind. Rev. ΝΙΚΑΙΕΩΝ ΒΥΖΑΝΤΙΩΝ / ΟΜ/ΟΝ/ΟΙ/Α Round altar flanked by two torches. Franke-Nollé 1370-6. Schönert-Geiss 1848. Very rare. Minor deposits, otherwise, nearly very fine.