BILLON TETRADRACHMS OF ROMAN EGYPT (9 coins).•Nero. Dikaiosyne holding scales. Curtis 80var. Near VF.•Nero. Eagle standing left, simpulum right. Curtis 97. Fine, area of green patination on reverse.•Hadrian. Demeter. Curtis 380. Near VF.•Severus Alexander. Homonoia, double cornucopiae. Curtis 1072. Near VF, even brown patina.•Claudius II. Eagle standing left, palm behind. Curtis 1686. Near VF, even brown patina.•Probus. Dikaiosyne with cornucopia. Curtis 1846. Near VF, brown and dark green patina.•Probus. Eagle facing, head right. Curtis 1863. Near VF, brown and dark green patina.•Diocletian. Zeus standing, eagle at feet. Curtis 2475. Near VF, brown and dark green patina.•Maximian. Eagle facing, head right. Curtis 2060. •Probus. Dikaiosyne with cornucopia. Curtis 1846. Near VF, brown and dark green patina.