Dated May 11, 2010. Manga: One Piece - Signatures: Mayumi Tanaka, Kazuya Nakai - Date: May 11, 2010 - Material: Paper - Size: Shikishi (cardboard paper) size Thank you for viewing. I received these signatures from the individuals through work and have kept them at home. I would like to offer them to someone who would like them. Please check the photos for the condition of the shikishi. Price is not negotiable.