A  Heavily cast  3 in by 3 in bronze/brass morter .......with NATURALLY OCCURING PATINA.....both metals .....patinated are almost impossible to tell apart......hence the dual identity.......chemical makeup in bronze turns      verdigris faster an more pronounced then brass........iv seen(35yrshandling) brass only150 yrs  as deep so its given a wide time frame.....poss.anywere in europe except spain......poss.17th C.    THANKS.     W.1 lb 4 oz.