Sheikh Javed Sindhi, who was engaged in research at the site, said that previously, 4,348 copper coins were excavated by R.D. Banerji, Sir John Marshall, and Mackay from 1922 to 1931. These coins belonged to the Kushan Period dating back to the 2 to 5 Century AD, he said...Rustam Bhutto, in-charge of the soil and water testing laboratory, said the treatment process for separating the amalgamated coins would take at least a month to make the figures and language on coins visible.Ali Haidar Gadhi, senior conservationist at said that Mr Banerji discovered nearly 2,000 coins, 338 of which were of...