Front & Back Heat Sensitive Ink - Separate Color
pink thermochromatic ink will disappear at temperatures
above 85 F. This will allow the payer to verify that the
check is not a fraudulent document. Because the ink is heat sensitive,
it is virtually impossible to make copies or scan the
document without disappearing.
The KnightTM, Fingerprint SecurityTM wording & the Fingerprint are printed in pink
thermochromatic ink in the endorsement area on the back of the check.
The U.S. Patent numbers are printed on the face of the check in pink thermochromatic ink
in the left margin.
OF U.S. PATENT NUMBERS IN THE LEFT MARGIN INDICATES THAT
THIS CHECK IS FRAUDULENT. THIS AREA IS PRINTED WITH A PINK
INK THAT WILL DISAPPEAR WHEN BLOWING OR
The Knight ™ & Fingerprint watermarks are viewable when holding at an angle and also appear when viewed under a blacklight.