Cyrene, Cyrenaica (Kyrenaika), AE16 quarter unit.

Helmeted head of Athena right.
Double silphium, consisting of two plants of type III springing 
diagonally from a common base and sharing the lower pair of 
leaves and umbrels.

BMC Cyrenaica, p. 46, 202-203.

Contributed by mauseus of the Forum Ancient Coins, October, 2012