Visakhapatnam: MMTC has opened a counter of gold and silver medallions and silverware at MF Khan International. Gold medallions of .999 purity in 0.5, one, two, five, 10, 20 and 50 gm and silver medallions of .999 purity in 10, 20, 50, 100, 250, 500 and 1000 gm will be sold, according to S. Mehmood Ali of MF Khan International.