Luxembourg 24 February 1970 — 100 Francs Back Photographic Proof (Pick Unlisted)
Back-side photographic proof of the 1970 one hundred francs issue of the Grand Duchy of Luxembourg, produced during the final design validation stage prior to full printing. The image is presented in monochrome and mounted on archival cardstock, preserving the complete reverse composition without color separation. A handwritten production annotation dated 24 February 1970 is visible along the lower margin, providing a direct reference to the internal review timeline. ... Read more →