This coin published in I. Vecchi, R. Beale and S. Parkin, The Mare Nostrum Hoard.
Graffiti on the reverse.
Roman Imperial
Theodosius II (450-457), Solidus 450-457, Constantinople mint
Obverse: pearl diademed, helmeted and cuirassed bust facing slightly right
DN MARCIANVS P F AVG
Reverse: Victory standing left, holding long jewelled cross, star in right field, CONOB in exergue
VICTORIA AVGGGE
Gold, diameter 20 mm, weight 4.42 g