Second Series Showa Stamps "Greater East Asia Co-Prosperity Sphere" 10 sen, booklet of 10, with the mark of the Cabinet Printing Bureau, with selvage. Issued from Showa 17 (1942). My father-in-law has been collecting these for many years, and I am listing them to help him organize his collection. They have been filed and stored on a bookshelf, so they are in good condition with no stains. Please take a look at the photos before purchasing.