Banque Centrale de Mauritanie, Mauritania, specimen 200 ouguiya, 29 June 1977, zero serial numbers, pale purple and multicoloured, President Daddah at left, camel at right, reverse purple, antelope and camel, (Pick 3Bs, TBB B109s1), this type never issued. Red De la Rue oval seal in field, uncirculated and rare.
Estimate: £300 - £400