| 摘要 |
PROBLEM TO BE SOLVED: To improve an accuracy of deciding a forgery and to eliminate an easy forgery even when an ink containing a fluorescent material used for negotiable securities is acquired by a forger. SOLUTION: The forgery preventive negotiable securities 1 is printed by a latent image in the state that forgery decision information of a character 101a of a 'truth' with an ink containing a fluorescent material at a forgery deciding position 101, and formed of transparent film 10 for absorbing an ultraviolet ray printed with security surface information such as a security name, an amount, a valid period except the position 101. |
