Durbil size 10 50 cardboard boxes, rare find cardboard or semi-metallic

The auction is open, and whoever completes it should send a private message to avoid disturbance and embarrassment. The manufacturing is Germany. Cleanliness condition, visual inspection and rest are known but not specified. Cardboard bundles tied with straps, including rare papers, very very few exist, and some people sell the cardboard separately; those who deal with rarities and antique collectors know this item. It's up for auction, only serious bidders, efforts and shipping costs are on the buyer, and the worthy will assert themselves