In 2017, Pocket Monsters is celebrating the 20th anniversary of the anime and the movies. To commemorate this occasion, a stamp rally will be held at the Izumi Garden Sakura Festival 2017 (泉ガーデン さくら祭り2017) from March 21st, 2017 until April 2nd, 2017. Seven stamp stations will be setup in the event area and those that collect all 7 stamps will receive an original clear file!


Event Location: Izumi Garden: Roppongi Grand Tower 1F
Stamp Rally Paper Distribution Location: Brochure stand at Roppongi 1 Itchome Ticket Gate


Source: http://www.tv-tokyo.co.jp/sakuramatsuri2017/