This time Princess Knight Stamp Sheet is released as the 3rd series, followed by Astro boy and Jungle Emperor’s series.
Release date: April 1, 2011
Number of sheets available: 17,200
Content: ten 50 yen stamps per sheet/Sapphire paper dress-up doll sheet
Price: 1,200 yen (tax included)
Available at post offices in Tokyo except in the following cities/wards (a total of 1134 post offices): Shinagawa, Ota, Minato, Shibuya, Meguro, Musashino, Mitaka, Cyofu, Komae, Fucyu, Inagi, Tama, Izu and Ogasawara.