Luxembourg 1970 — 100 Francs Archival Gridlines Calibration Specimen (Pick 56s, Serial D170001)
Archival calibration specimen of the 1970 one hundred francs issue of the Grand Duchy of Luxembourg, produced during the Belgian Luxembourg Economic Union period and printed by Thomas De La Rue & Company, London. Unlike standard specimen notes bearing placeholder serials, this example carries a live production-format serial number D170001, linking it directly to an active print batch within the manufacturing process. Across the full surface, original blue registration gridlines remain visible. ... Read more →