The round-shaped roof tiles have the motif of Tanbenjunanayorengemon (lotus flower) and the flat roof tiles have the motif of Kinseikarakusamon (arabesque), and both of the motifs were created when Kuninomiya Palace was built.
これらは、恭仁宮大極殿造営に際して新調された瓦をモチーフとした単弁十七葉蓮華文の軒丸瓦と均整唐草文の軒平瓦である。