a macro image of the holographic foil features on a euro banknote, showcasing the security measures in place to prevent

holographic hologram foil fine detail fluorescence tamperproof counterfeits lines money currency seal authenticity watermark forgery cash banknote paper finance european europe note euro financial guilloche spirograph closeup reflection fraud banknotes bill union fake modern economy payment print technology exchange tilt design flat economic falsify false optical savings bills pattern glowing