Sale: Nomos 3 & 4, Lot: 108. Estimate CHF750.  Closing Date: Monday, 9 May 2011.  Sold For CHF600. This amount does not include the buyer’s fee. | 
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            BITHYNIA, Kios. Circa 350-300 BC. Hemidrachm (Silver, 2.52 g 9), Athenodoros. ΚΙΑ Laureate head of Apollo to right 
Rev. ΑΘΗΝΟΔΩΡΟΣ Prow of galley to left; to left ear of grain. BMC 4. RG 3. SNG Copenhagen 369. Lustrous and well-centered. Good extremely fine.
            
From the Collection Z, Switzerland.
While this is a common coin, and example as perfect as this is very rare: after all, they were produced rapidly for trade reasons and their minters were interested in making perfect pieces, just numerous ones.