Unlucky Money

In 2009, The US Treasury Department sold these sets of 8 uncut $2 bills attached to a red and gold poster board wit"h "Lucky Money" written in wonton font. They're called "lucky" because of each of the serial numbers begins with four 8s, a number that's considered lucky in Chinese culture. 

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By 2009, following a global banking crisis connected to US banks, China held almost a trillion dollars ($894,000,000,000) in US debt, as its treasuries were still seen as a safe haven.