This backs up the content of "Koyo Gunkan," which states that 800 pieces of paper for license with a red seal with a dragon engraved were prepared when Shingen died in 1574.
これは『甲陽軍鑑』に記される天正2年の信玄死去に際して800枚の竜朱印用紙が準備されたとする内容を裏付ける。