MYSIA, Lampsakos. Circa 4th-3rd century BC. AR diobol (1,52 g). Janiform female head, dolphin swimming right below / ΛAMΨ, Helmeted head of Athena right; all within shallow incuse square. Reverse double-struck and surfaces slightly crystallized. Deeply toned., SNG BN 1194, Grade: 01, Ex Roma Numismatics, E-Sale 32, 7.1.2017, lot 409