This has been thought to be handwritten by Emperor Shomu since olden times, and is called 'Ojobu' and regarded to be a rare and valuable document because of the large size letters, but the handwriting is different from 'Zasshu' stated above.
古来聖武天皇の筆と伝承され、字粒が大きいことから「大聖武」と称して珍重されるが、上記「雑集」とは異筆である。