I SEE THESE BRONZE AND COPPER MACE HEADS FOR SALE IN AUCTION HOUSES FROM TIME TO TIME. THEY ARE NOT COMMON BUT DO COME IN DIFFERENT SHAPES AND SIZES AND FROM DIFFERENT CULTURES. I DON'T KNOW IF REPLICAS HAVE BEEN MADE OR NOT. BUT SINCE YOU DON'T SEE LOTS OF THEM LIKE THE POPULAR LURISTAN AND CHINESE BRONZE ITEMS PERHAPS THE ODDS ARE BETTER OF GETTING A REAL ARTIFACT. THERE MAY BE A OLD POST WITH PICTURES OF SOME PERHAPS A SEARCH OF PRECOLUMBIAN, MACE OR BRONZE MIGHT TURN SOMETHING UP. GOOD LUCK