Foreign Coins, Germany, Saxony, Johann Georg II, commemorative broad double thaler, 1657, Dresden, on the death of Ferdinand III, DEO ET PATRIÆ, the emperor, crowned and robed, on horseback to r., brandishing sword, rev. legend in 12 lines, 65.5mm., wt.57.94gms. (KM.489; Dav.398), nearly extremely fine and toned (1500-2000 GBP)