Banque de la Republique de Guinee, specimen 50 francs (4), 1 March 1960, serial number AE 000000, FA 000000, brown, pale blue and lilac, President Ahmed Sekou Toure at left, Balde and Diakite signatures, reverse brown, open pit bauxite mining in the Fria region (Pick 12s, TBB B301as1(2), as3, as (unlisted)), one perforated CANCELLED, one perforated SPECIMEN NO VALUE, the prefixes AE and FA with red De la Rue overprint and red De la Rue seals, uncirculated (4 notes)