Aurelian and Vaballathus (270-275). Egypt, Alexandria. BI Tetradrachm (18mm, 8.53g, 12h), year 1 of Aurelian and 4 of Vaballathus (270/1). Laureate, draped and cuirassed bust of Aurelian r. R/ Laureate, diademed, draped and cuirassed bust of Vaballathus r. Köln 3054; Dattari 5422; Milne 4308; Emmett 3914. Brown patina, near VF