Historically accurate Iron Cross 1st class (EK1) carton. 1st class Iron Crosses were presented in wooden+leatherette boxes put inside cartons like this. Few remained till this day as they were normally torn and thrown away.
This reproduction carton is for original sized EK1 box and measures 75x75x22 mm (3x3x0.87 inch). Some reproductions boxes that are higher - 28mm (1.1inch). 
It comes with free LDO warranty slip!
Multiple historically faithful manufacturers reproductions are available (see variants). 
The boxes are made of acid-free cardstock and are safe for your precious EK1 box.