To provide a verifier that enables quick and even distant determination without the knowledge of others in the process of such verification as authenticity determination based on a verifier using a filter having a circular polarization function, in order to avoid a disadvantage that the operation of superposing a plate-shaped circularly polarizing filter reveals authenticity determination to nearby persons.

The verifier has visual field parts having filters having right-handed or/and left-handed circular polarization functions, and wearing parts wearable on a user's face. A laminate for the verifier is also provided.