On Friday, the Nigerian Security Printing and Minting (NSPM) Plc, responsible for printing the naira notes, explained why the new Naira notes leave ink when rubbed on plain white surfaces. In a statement on Friday, signed by NSPM’s Managing Director, Ahmed Halilu, as regards various clips, skits, concerns and comments on diverse platforms regarding the quality of the redesigned notes. Ahmed Haliru said that; “It is, therefore, basically the same as the other notes in circulation,” he explained. “It is, however, important to note that new banknotes are generally light when issued, then become heavier in circulation on getting in contact with dirt and moisture,” Halilu added. “In addition, the second stage of currency printing (intaglio) requires a heavy deposit of special inks with fairly large particles to give a tactile feeling of the portraits as well as other raised prints by way of design. “One of the properties of intaglio inks is non-solubility in water and ease of transfer (ligh
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