<Li> March 25 , 1996 : The first major design change since 1929 took place with the adoption of a contemporary style layout . The main intent of the new design was to deter counterfeiting . New security features included a watermark of Franklin to the right side of the bill , optically variable ink ( OVI ) that changed from green to black when viewed at different angles , a higher quality and enlarged portrait of Franklin , and hard - to - reproduce fine line printing around Franklin 's portrait and Independence Hall . Older security features such as interwoven red and blue silk fibers , microprinting , and a plastic security thread ( which now glows pink ( nominally red ) under a black light ) were kept . The individual Federal Reserve Bank Seal was changed to a unified Federal Reserve Seal along with an additional prefix letter being added to the serial number , w . The first of the Series 1996 bills were produced in October 1995 . </Li>
<Li> March 25 , 1996 : The first major design change since 1929 took place with the adoption of a contemporary style layout . The main intent of the new design was to deter counterfeiting . New security features included a watermark of Franklin to the right side of the bill , optically variable ink ( OVI ) that changed from green to black when viewed at different angles , a higher quality and enlarged portrait of Franklin , and hard - to - reproduce fine line printing around Franklin 's portrait and Independence Hall . Older security features such as interwoven red and blue silk fibers , microprinting , and a plastic security thread ( which now glows pink ( nominally red ) under a black light ) were kept . The individual Federal Reserve Bank Seal was changed to a unified Federal Reserve Seal along with an additional prefix letter being added to the serial number , w . The first of the Series 1996 bills were produced in October 1995 . </Li>
when did they start putting watermarks on 100 dollar bills
when did they start putting watermarks on 100 dollar bills
March 25 , 1996
March 25 , 1996