Festival of Isis. Jovian, 363-364. AE (Bronze, 15 mm, 1.29 g, 12 h), Rome. D N IOVIA-NVS P F AVG Perl-diademed, draped and cuirassed bust of Jovian to right. Rev. VOTA P-VBLICA Isis standing right, head to left, on galley to left over waves, holding sail with both hands. Alföldi 87 and pl. II, 31. Bricault & Mondello (forthcoming), cat. no. E128.3. Cohen 28. RIC VIII 512. Very rare. An exceptionally well preserved piece, sharply struck and with an attractive dark green patina. Very minor weakness on the reverse, otherwise, good extremely fine.