Imperial Bank of Persia, specimen 2 tomans, ND (1890-1923), serial number B/B 000001 - B/B 050000, black, pale pink and green, Shah Nasr-ed-Din in oval frame right centre, arms at left, value in field, reverse brown and white, Imperial arms at centre, value at centre, left and right, four red serial numbers in field (Pick 2s), perforated SPECIMEN, mounting traces at reverse, minor green ink trace at right side border, good extremely fine, nevertheless appealing and scarce