dec 1, 1989 - Security Thread and Microprinting
Description:
A security thread and microprinting are introduced in Federal Reserve notes to deter counterfeiting by copiers and printers. The features first appear in Series 1990 $100 notes. By Series 1993, the features appeared on all denominations except $1 and $2 notes.Added to timeline:
Date:
dec 1, 1989
Now
~ 35 years ago