SASANIAN KINGS. Bahram V. 420-438 AD. Silver Drachm (4.18 gm; 28 mm). First series. Mint GWR for Gorgan left of flame, rare abbreviation for the mint, letters AT for (Atash or Azar) on the right and Warhrn(Bahram) to the left meaning the "the fire of Bahram). Choice EF.