World Coins - Austria - Ferdinand II - 1631 - ½ Thaler. Dated 1631 AD Obv: profile bust with FERDINANDVS II D G R I S A G H B REX legend and privy mark in circle below. Rev: crown over arms over double-headed eagle with mintmark below and ARCHID AVS DVX BVR CO TYR C legend and date. KM# 514. 13.91 grams. ("). Very fine. Scarce.