Sale: CNG 63, Lot: 246. Estimate $300.  Closing Date: Wednesday, 21 May 2003.  Sold For $355. This amount does not include the buyer’s fee.

THRACE, Byzantion. Circa 340-320 BC. AR Siglos (5.28 gm). Heifer standing left; dolphin below, monogram above / Incuse square of mill-sail pattern. SNG BM Black Sea 21; SNG Copenhagen 476. Toned EF, interesting strike with the rump of a second bull on the left edge. ($300)

The second bull on this coin, which was struck only once, shows that the obverse die was engraved with at least two designs, both of which could be employed in the minting process.