Would be interesting to see what one of those specs are(RFID is a definitive possibility)...
Word of caution, would NOT try to illuminate the paper with UV when examining it under an direct optical microscope(a USB microscope where you look at a screen would obviously be a non issue)...
Do you have access to a microscope?
Would be interesting to see what one of those specs are(RFID is a definitive possibility)...
Word of caution, would NOT try to illuminate the paper with UV when examining it under an direct optical microscope(a USB microscope where you look at a screen would obviously be a non issue)...