hi friends,it is sudhir.i want sell a functional copper coin.this coin show functions.i see it.and i want to show u.first i show u all detail.after u see detail.plz meet me.if u belive me.plz come my house.i show u the item in free.then u go lab & test the rice sample.after test if u interest to buy.i sell u.but point is.first u come in ur own money.if i not show u this item.i give ur coming & return fair.ok plz read item functions & how i test it. 1ST I WASH IT IN MINERAL WATER & ENO.DRY IT IN A COTTON RUMAL.THEN PULLED SOME FRESS RICE.& IT PULL.1-RICE PULL HALF INCH.2-AFTER 8 MIN ALL RICE R COLORING GOLDEN YELLOW.THEN PRESS IT ON UR FINGER.ITS POWDER.3-PLASTIC WATCH STOP IN 3 SEC.4-EVEREADY TOURCH DIM IN 16 MIN.5-ITEM STAND IN 80 DEGREE ANGLE IN A WATER FULL GLASS.if any one interest to test & buy plz contact me.first i send u all detail.i show u the item total free.and i dont pay u any testing fee