Banque Internationale de Luxembourg, colour trial 100 francs, 21 April 1945, serial number A 0000000, blue and lilac, Grand Duchess Charlotte at centre, allegorical farming figure at left and right, reverse blue and lilac, steel workers at centre, (Pick 13ct), in PMG holder 64 Choice UNC, perforated, red SPECIMEN overprint, scarce.
Estimate: £300 - £350