Bronze mirror with a starburst decoration around the central knob and 17 characters within a rope pattern on the outer circle. The text describes the great properties of the mirror. It reads: ‘The quality contained (in this mirror) is clean, because of which the mirror shines bright. Its round light was made to appear like the sun or the moon’. Repeated in the text ：内清以昭明光兮日月 is an additional meaningless character 而which was meant to create a good rhythm for the poem. The mirror dates from the Western Han period (BC206 – 25AD) and has a black polished back with a few minor corrosion spots. Diameter 9.0 cm. Thickness of the rim 0.4 cm. Weight 88.8 grams.