While it was a highly appreciated treasure equipment, mirrors of the Later Han, which came to be buried together with others in the late Yayoi period, had the engraved prayer for perpetual youth and longevity, meaning those who had got the mirror were guaranteed for longevity and fertility.
銅鏡は宝器として珍重され、後期になって副葬され始めるようになった後漢鏡は、不老長寿への祈りを込めた文が刻まれ、その鏡を持った人は長寿や子孫の繁栄が約されるというものだった。