and on the other side possessing a delayed action adhesive selected from a group of pressure sensitive adhesives and which is protected by a liner heat activated adhesives and wet activated adhesives the lamina is intended to be applied onto the text with the subsequent removal of the carrier with an identical number with prefix set in a position chosen being present within and outside the confines of the seal the lamina bearing a number with a prefix providing an attestation and an adjacent background covering stripe upon which number and stripe there is to be superimposed the signature the number of the seal being shown by means of a non impact printing device in a preestablished sequence so as to be individualized and clearly evident while the prefix which is generally alphabetical is obtained by an ink transference upon detaching the carrier application_number US 81909692 A description a seal as is represented in fig1 a and 1b of the drawings and is generally adapted for the protection of texts is constituted of a single card comprising an adhesive inking and varnishing multi layer lamina 1 which is partially transparent and has a transparent carrier or substrate 2 o one side thereof and a liner 3 on the other side for the protection of the adhesive layer not shown in the drawing wherein the liner 3 is coated on the.