FIELD: personal utensils.
SUBSTANCE: invention pertains to protected document and method of its manufacturing, used, in particular, to prevent falsification or forgery of billing documents or official documents. As protective means the document contains protecting sign (M), consisting of the first sign (M1) and the second sign (M2). The first sign (M1) is composed of substances, showing interference effect. The second sign (M2) is composed of substances responding to certain types of activation, such as activation with light emission, or heat, magnetic, electromagnetic, and electric or ultrahigh frequency activation, producing seen with unaided eye light response or a special signal disclosed by means of appropriate device. Whereat sign (M1) has brightness coefficient more than 12, given that brightness is measured according to ISO 2813 standard using Gardner's glossmeter with the angle of measurement of 75°.
EFFECT: proposed document possesses high level of security against forgery and falsification ensuring ease of its identification.
20 cl
