SIGN PLATE

A sign plate 1 of the present invention includes a plate-shaped metal plate 2 having a front surface 21 and a back surface 22 and also having a slot 23 which penetrates from the front surface 21 toward the back surface 22, an RFID inlay 3 arranged on the front surface 21 of the metal plate 2 so as to straddle the slot 23, and a retroreflective sheeting 4 arranged on the front surface 21 of the metal plate 2 and having a mirror reflective region 41 and a non-mirror reflective region 42. In a plan view of the retroreflective sheeting 4, the mirror reflective region 41 includes a plurality of mirror reflective regions which are formed as independent regions by being divided by the non-mirror reflective region 42, the slot 23 region overlaps the mirror reflective region 41 and the non-mirror reflective region 42, and the overlapping mirror reflective region 41 does not straddle the slot 23.