⭐︎Not for sale⭐︎ This is a set of 6 collaboration postcards between the National Museum of Nature and Science and Sangetsu. These are valuable and rare postcards received from Sangetsu, famous for its wallpaper. *They have been carefully stored at home in new and unused condition. Please refrain from purchasing if you are overly concerned about minor details. *Please cooperate with the use of recycled materials and simple packaging. *No exchanges or returns. Thank you for looking.