Stamp guide and flyer. Please note that stamps are not included. Released November 26, 2021 Picture Book World Series, 5th Edition Shirokuma-chan's Hotcakes 3 pieces December 6, 2021 Demon Slayer Seal-Type Greeting Stamps 2 pieces + Flyer, A4 size, 1 piece Released May 13, 2022 Special Stamp: 50th Anniversary of Okinawa's Reversion to Japan, 1 piece I was collecting these, but I am selling them to organize my collection. There are no stamps themselves, so this does not violate the prohibited items!