x Bangladesh Bank, uniface obverse and reverse specimen 500 taka, ND (1988), zero serial numbers, blue, lilac and multicoloured, the Tara Masjid in Dhaka at right in oval frame, signature of Chaudhuri low centre, (Pick 30 for type, TBB B325b for type), a Giesecke and Devrient printing instead of the regular De la Rue type: the latter printed the standard issue so perhaps this is a trial printing? Red SPECIMEN overprint, uncirculated, unusual (2)