Bohemia, HRE Rudolf II (1576-1612). Ducat, 1580, mm "dragon s head" left on elongate neck, not in shield. Prague? Mintmaster: Hans Harder? Crowned and armored figure of the emperor standing right holding scepter and orb, "dragon s head" resembling more a camel s head and neck mm between his feet, rev. Crowned Arms on shield with curving sides. Very Rare. Graffiti right obverse field. Extremely Fine.