Although most of the unearthed kanin are from the Warring States period and some of their engravings are not decipherable, there are some seals carved with government posts of the period, such as 'Shiba,' 'Shito,' and '司工.'
出土遺品としては戦国時代(中国)のものが多く、解読不能な部分もあるが「司馬」「司徒」「司工」など当時の官職名が入った印が出ている。