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No. Anti-counterfeiting features on older bills are not very strong. FWIW the "extra face" is called a watermark.
No.
no it does not
no it does not
No
It depends on how you define "old". Security strips were introduced with the 1990 "big head" redesign. Bills dated before that don't have the strip or watermark.
No, and no. Also, the strip is not metal.
No, watermarks and security strips weren't introduced until the 1990s. Before that, the only security feature was small red and blue fibers embedded in the cloth-based "paper" the bills were printed on.
If you're refering to the $1 denomination, probably not. It has remained unchanged since 1963. Most counterfeiters do not counterfeit the 1 because it is such a small note. It has no known security measures like the watermark or the imbeded strip like the other denoms.
Yes, the $100 bill series 1996 has a security thread embedded in the bill that is visible when held up to the light. It is a plastic strip that is hard to replicate.
This is just a quick answer, but a few of the notable security features of a bill are... micro printing metal strip watermark colored ink (like the shiny things on the new 20) For a more detailed explanation, see http://www.moneyfactory.gov/newmoney/main.cfm/currency/new5
The watermark doesn't fluoresce under UV light. There's a separate security strip with that feature. The colors for all current bills are:$100 - pink$50 - yellow$20 - green$10 - orange$5 - blueCongress has prevented any redesign of $1 and $2 bills so they don't have modern anti-counterfeiting features, including either watermarks or security strips.