Da Afghanistan Bank, specimen 500 afghanis, SH1318 (1939), red zero serial numbers, violet and multicoloured, King Muhammad Zahir at left, arms top centre, value at centre and at each corner, unknown signatures low centre, reverse blue-grey, the Blue Mosque in Mazari Sharif at centre (Pick 27s, TBB B307as1), mounting traces at left, perforated, about uncirculated and scarce