This is a Happy Hippo Hippopotamus Mexican Sterling Pin. What a cute and fun Pin! This great designed Hippo with his mouth wide open and showing off 3 teeth has a Bird sitting on his backside and another Bird in his mouth, but does not act like he is concerned about it at all. This pin is signed Anne Harvey Mexico 925. It measures 2" by 1 & 1/2". It has a secure locking Clasp and is in excellent condition.