GA62508. Silver 1/4 siglos, SNG Cop 480, SNG BM 18, gVF, Byzantion (Istanbul, Turkey) mint, weight 1.192g, maximum diameter 10.2mm, die axis 0
o, obverse cow walking left,
Y upper right (ethnic, the first letter is an archaic form of "B" used at Byzantium), dolphin left below; reverse incuse mill-sail punch;
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