A link for you, Chuck: https://www.msn.com/en-us/autos/enthusiasts/fancy-serial-number-check-why-your-new-blue-100-bill-could-be-worth-2-500/ar-AA1SPpf2?ocid=msedgdhp&pc=U531&cvid=694edc141de74d51a25e0ec8908fdb90&ei=79
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