Japan. Chokinkyoku

• Kawase chokin jigyōshi
• Kokkokin gyōmu jōkyō
• Manshūkoku tsūshin kukaku benran
• Manshūkoku tsūshin kukaku benran
• Naikoku yūbin kawase gyōmu jōkyō
• Teigaku chokin ganri kingakuhyō
• Yasashii madoguchi-dokuhon
• Yūbin kawase chokin gyōmu bunsekihyō
• Yūbin kawase seido enkaku shiryō
• 郵便貯金一千億円をちょうゆ