UR ion ▁const ell ation ; ▁the ▁E UR ion ▁const ell ation ▁is ▁a ▁pattern ▁of ▁symbols ▁found ▁on ▁a ▁number ▁of ▁bank note ▁designs ▁world wide ▁since ▁about ▁ 1 9 9 6 . ▁It ▁is ▁added ▁to ▁help ▁software ▁detect ▁the ▁presence ▁of ▁a ▁bank note ▁in ▁a ▁digital ▁image . ▁ ▁Wat erm arks , ▁which ▁appear ▁when ▁held ▁up ▁to ▁the ▁light . ▁ ▁R ais ed ▁printing ▁in ▁the ▁main ▁image , ▁the ▁letter ing ▁and ▁the ▁value ▁numer als ▁on ▁the ▁front ▁of ▁the ▁bank notes ▁will ▁be ▁raised . ▁ ▁Ult rav io let ▁in k ; ▁the ▁paper ▁itself ▁does ▁not ▁g low , ▁fib res ▁embedded ▁in ▁the ▁paper ▁do ▁appear , ▁and ▁be ▁col oured ▁red , ▁blue ▁and ▁green , ▁the ▁EU ▁flag ▁is ▁green ▁and ▁has ▁orange ▁stars , ▁the ▁EC B ▁President ' s , ▁currently ▁Mario ▁Drag hi ' s , ▁signature ▁turns ▁green , ▁the ▁large ▁stars ▁and ▁small ▁circles ▁on ▁the ▁front ▁g low ▁and ▁the ▁European ▁map , ▁a ▁bridge ▁and ▁the ▁value ▁numer al ▁on ▁the ▁back ▁appear ▁in ▁yellow . ▁ ▁Micro print ing , ▁on ▁various ▁areas ▁of ▁the ▁bank notes ▁there ▁is ▁micro print ing , ▁for ▁example , ▁inside ▁the ▁" Ε Υ Ρ Ω " ▁( E U RO ▁in ▁Greek ▁characters ) ▁on ▁the ▁front . ▁The ▁micro - text ▁is ▁sharp , ▁but ▁not ▁bl ur red . ▁ ▁A ▁security ▁thread , ▁embedded ▁in ▁the ▁bank