Banque Nationale de Belgique, specimen 500 francs, ND (1995-98), specimen no. 466, blue and multicoloured, Rene Magritte at left, signatures of Verplaetse and Bertholome(Pick 149s), red specimen overprint at front and reverse, in ICG holder 68 GEM UNC, scarce.
Estimate: £280 - £320