deepak i am khan from hyderabad i think ur coin has r.p in it well u have to test this coin . so 1st u put some rice pieces in front of the coin distance only 1 inches keep it for 15 to 20 minutes if it catches like a magnet then it is orginal coin and u can get best price and after testing the test is ok keep ur coin away from other metal things fold it in the plastic cover and keep it. my contact number is 09533044161.