we have a original 1616 kingle coin in the weight of 298 grams and we are the seller we have given the folloing tests bubules foarming,electrical continite test,temperature increase 4.5 to 7 degeree, clouds foarming in 15 to 30 mts, ice rays test, magnetic test we need a genune buyer are sponcer for more detail contact on-09944192555 mail id -srisaikannan555@gmail.com