Deutschland - Staaten - Regensburg - Stadt - 2 Ducats 1636 - Coronation of Ferdinand III as Roman king (Fr.2464, Plato112) - Obv: 6-line legend below vrown, all within wreath / Rev: Scales with cross over crossed sword and sceptre; FIRMAMENTA REGNORVM - Gold 6.87 gram - VF/XF, rare coin