Retroreflector label sheet and article fixed with retroreflector label sheet

The present invention provides a retroreflector label sheet and an article fixed the retroreflector label sheet, the retroreflector label sheet allowing discrimination of whether a label sheet is re-pasted by observation of surface status, thereby allowing confirmation of opening and inspection of forgery and camouflage. A retroreflector label sheet 1 includes a base layer 10, a retroreflection layer 20 laminated on one surface of the base layer 10 and allowing an inspection light to be retroreflected in a direction same as a specific direction from which the inspection light is incident, an adhesive layer 30 laminated on the other surface of the base layer 10 and adhered to an article, an easily-damaged layer 40 provided on at least a part of a surface of the retroreflector layer 20, and background information 50 composed of designs or characters formed by printing on a surface of the base layer 10 at the adhesive layer 30 side.