9 Currency authentication apparatus and equipment, namely, computer hardware containing programming for authentication of currency; detectors and sensing apparatus and equipment, namely, optical reading machines which detect security features in banknotes, passports and security and identification documents; apparatus and equipment, namely, optical readers and optical scanners that contain programming for the authentication of currency, and for the detection of security features embedded in banknotes, passports and other official printed documents, for detecting security documents, security inks and security devices embedded in banknotes, passports and other official printed documents; optical detection apparatus and equipment, namely, optical reading machines; security devices used in banknotes and other security documents, namely, optically variable devices, namely, diffractive optical elements, namely, hologram apparatuses and diffraction gratings provided on films, interference filters, holographic filters, polarization filters and embossings provided on films; goods in this class incorporating optically variable devices or other security devices, namely, magnetically encoded credit cards, magnetically encoded identity cards and cards containing an integrated circuit chip for use in connection with payment of services; encoded smart cards containing programing for use in managing financial transactions; encoded identification cards namely, electronic and magnetically encoded identity cards for use in connection with payment for services and for use in entering buildings; magnetically encoded cards, namely, magnetically encoded charge cards, blank magnetically encoded bank cards for use by financial institutions, magnetically encoded credit cards, magnetically encoded debit cards and magnetically encoded payment cards, namely, magnetically encoded gift cards; electronic and magnetically coded card readers for detecting security features in magnetically encoded cards, namely, magnetically encoded cards, namely, magnetically encoded charge cards, blank magnetically encoded bank cards for use by financial institutions, magnetically encoded credit cards, magnetically encoded debit cards and magnetically encoded payment cards, namely, magnetically encoded gift cards, magnetically encoded identity cards and cards containing an integrated circuit chip; computer hardware and software for currency authentication for use to operate currency authentication equipment and apparatus; computer hardware and software for producing optically variable devices and other security devices for use in the manufacture of currency, banknotes, passports, security and identification documents; computer hardware and software designed to enable magnetically encoded cards to interact with terminals and readers; computer software for implementing encryption, authentication, access control and other security features in relation to magnetically encoded cards and cards containing an integrated chip