Twenty-Five-Article Testament of Kōbō Daishi (Important Cultural Property)

Ink on paper · Heian period · 11th century · Takahata Fudōson Kongōji, Tokyo

Teachings attributed to Kūkai, with pressure marks in the pages preserving a classroom from a thousand years ago.

Exhibition: Celebrating 1250 Years Since the Birth of the Great Master Kūkai: Kūkai and the Treasures of Shingon Buddhism — Tokyo National Museum · 2026-07-14 – 2026-09-06