Institut Monetaire Luxembourgeois, specimen 100 Francs, 1986, serial number A 000000, serial number D000000, brownish-red on multicoloured underprint, Grand Duke Jean at centre, building at left, reverse gold and red, panorama of City of Luxembourg, specimen overprint in red on obverse and reverse, two punch holes, (Pick 58s, TBB B401as), red De la Rue oval seal in field, mounting traces otherwise uncirculated, scarce.
Estimate: £80 - £120