KARACHI: The State Bank of Pakistan (SBP) to issue Rs 10 coin from October 24, an SBP press release said on Saturday. This coin will be issued through the exchange counters of all the field offices of SBP Banking Services Corporation from Monday, SBP announced officially. The coin has a diameter of 25.5 mm. It weighs 5.50 grams, said the press release while describing features of the coin.