Seleucid Empire, Drachm of the Frataraka ruler Vahbarz (Oborzos), thought to have initiated the independence of Persis from the Seleucid Empire. The coin shows on the reverse an Achaemenid king slaying an armoured, possibly Greek or Macedonian, soldier.[28][29] This possibly refers to the events related by Polyainos (Strat. 7.40), in which Vahbarz (Oborzos) is said to have killed 3000 Seleucid settlers.[30][28][29]