Athens, AE20. Semi-autonomous issue, AD 160-280. 4.35g. 

Helmeted bust of Athena right, wearing crested Corinthian helmet.
A-QH across fields, owl standing right, head facing, on large amphora. 

Kroll Agora 197; Svoronos Pl. 90, 36. 

With permission of Roma Numismatics, E-Sale 63, lot 165, Nov. 2019.