Hi ares Hope u doing good buddy Well the thing which you're looking Out for is impossible to get as ppl Find it really difficult to get a 4.2 kg de... And you're talking bout A tested one lol...well to answer you're Question.. The answer is u get 3 ti 4 Test in a de Anti mirror where the de will disappear In the mirror or will crack the mirror Cracking means the mercury will crack The mirror will be intact Newspaper test keep the de on the news paper The body of the de will erase the alphabet of The newspaper leaving the paper intact Double movement Water test where both the mouths of the de Will pop up once immersed in water Tester test is not considered as a test As u can inject some chemicals and avail That test if u inject it in u you'll get that Test too Well the prices vary from party to party If tested it goes for thousand of cr Weight if not an issue if its tested If not tested 4.2 kg is the threshold And goes of a handsome price Below that goes for a couple of lakhs

Regards

Black BirÐ