KOLOPHON, Tetartemorion, 520-500 BC, Apollo hd facg/TE in incuse square (rare instance of the denomination given on an ancient coin); S4343 (£55); F+/VF, centered sl low, minimally grainy, obv face fuzzy, rev fully clear. (A VF "a bit porous" brought $179, CNG eAuc 4/11.)