Barce, Cyrenaica, AR Tetradrachm, 380 BC, 12.84 g. 

Silphium plant with leaves and flowers. 
BARKAI retrograde, Laureate head of Zeus Ammon right.

BMC 23 (same dies); Traité III 1962. 
Very rare. 
Estimate: 8,000 CHF.

With permission of Numismatica Ars Classica, Auction 84, Lot 742, May 2015.