PRE- COLUMBIAN EFFIGY ANIMAL POTTERY VESSEL For Sale

I PURCHASED THIS WITH ANOTHER IN AN ESTATE LOT ABOUT 25 YEARS AGO. AT THAT TIME I TOOK IT TO TWO DEALERS WHO BELIEVED IT TO BE PRE - COLUMBIAN ANIMAL EFFIGY VESSEL. I RECENTLY HAD IT LOOKED AT BY AGAIN A LOCAL DEALER WHO ASSESSED IT THE SAME.IT STANDS 8.5" TALL ABOUT 18' AROUND CENTER.I HAVE DONE NOTHING TO IT FOR FEAR OF HARMING IT. IT HAS THE ORIGINAL DIRT THAT IT CAME WITH STILL ON IT.PLEASE USE YOUR EXPERTISE.ANY QUESTIONS PLEASE LET ME KNOW!HAVE A SUPER DAY!!