Gallienus, AE34 of Tripolis, Lydia, AD 253-268. 

AY K PO LIK GALLIHNOC, laureate, draped and cuirassed bust right.
TRIPOLEITWN, tetrastyle temple with Leto hurrying left 
within, looking back, holding the infants Artemis and Apollo 
in her arms.

Boston MFA 61.1057; Aeruginis a0562.

With permission of aeruginis.de, a website about 
monuments and buildings on ancient coins.