Looks like the US Mint's are using 2200's to print new $20's... The Bureau of Engraving and Printing will unveil a new $20 bill that will introduce a predominant but subtle color into the background, marking the first time in modern history that a bill will feature a color other than green. http://money.cnn.com/2003/03/05/news/money/index.htm Jon
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Money Metamerism
2003-03-05 by Jon