GA55282. Silver siglos, Persic standard; SNG BM 21 ff.; SNG Cop 475 ff.; BMC Thrace p. 93, 1 ff.; SGCV I 1579; SNG Stancomb -, VF, toned, Byzantion (Istanbul, Turkey) mint, weight 5.192g, maximum diameter 16.1mm, c. 340 - 320 B.C.; obverse cow standing left on dolphin left,
Y upper right (ethnic, the first letter is an archaic form of "B" used at Byzantium); reverse square four part stippled mill-sail pattern;
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