Drukarnia Częstochowskie Zakłady Graficzne Sp. z o.o. is a specialised printing house capable of manufacturing valuable, numbered, personalised prints and able to carry out transactional mailings, direct marketing and tockets with magnetic stripes. Ticket with magnetic stripe is the example of the print which is well protected againts counterfeiting .Using small electronic device, reminding cigarette lighter, it is possible to check the originality of the printing very easily. Furthermore, printed electrical system thanks to ferromagnetic ink may be
subjected to detailed measurements of resistance-resistivity and conductivity-conductiance. Technology can be widely used not only to protect valuable prints from counterfeits, but also in packaging and brand protection.