Banque Centrale De Mauritanie, Mauritania, a group of specimen 100, 200 and 1000 Ouguiya, 1975-1981 unadopted designs, all zero serial numbers, (Pick 3As-3Cs, TBB B108s, B109s1, B110s1), uncirculated, perforated and with De La Rue specimen chop marks (3).
Estimate: £800 - £1000