Pilgrimage Souvenirs for O-Henro Sanuki Branch, Sanuki Twenty-Three Temples 13 out of a total of 23 commemorative seals of the Kōmyō Shingon Mandala. Kōmyō Shingon Mandala Seals Commemorative mandala seals for 23 temples in Kagawa Prefecture, which are part of the Shikoku 88 Temple Pilgrimage. These items were created to celebrate the 1250th anniversary of the birth of Kōbō Daishi (Kūkai), who was born in Heian-kyo (present-day Kagawa Prefecture) in the year 774.