Security strips were introduced along with the 1990 redesign.
About the only significant anti-counterfeiting feature in a 1950 bill would be tiny blue and red fibers embedded in its paper. There are no watermarks, microprinting, or yellow "20" overprints as there are on modern bills.
No.
no it does not
No. Security strips weren't introduced until 1991.
Security strips were added starting with the 1990 series.
Yes, all U.S. fifty-dollar bills issued since the 2004 redesign include a security strip. This security feature is embedded in the bill and is visible when held up to light. The strip contains information that helps verify the bill's authenticity, such as the denomination and a repeating pattern. Older fifty-dollar bills, issued before this redesign, do not have this feature.
1988 did the security strip appear on the 20.00 bill
No.
1990
no it does not
No
No it doesn't. The security strip wasn't added until 1990.
April 27 2004
No. Security strips weren't introduced until 1991.
If by "bar," you're referring to the security strip that can be seen when the bill is held up to light, then the answer is no. They weren't added to money until 1990, in bills $5 and up.
The security strip was added to $10 bills beginning in 1990.
Security strips were added starting with the 1990 series.
No. Security strips weren't added until 1990.