an up-close shot of the microprinting on a euro banknote, highlighting the advanced tamper-proof technology used to

microprinting euro banknote tamperproof fraud protect money currency seal hologram counterfeits authenticity watermark forgery cash paper finance european europe note financial detail guilloche spirograph closeup reflection fluorescence banknotes bill union fake fine lines magnification rich value element sign mesh microprint engravings original part holographic denomination hundred bonds design elements reflective 20