1928 $20 Federal Reserve Note, from the popular and scarce Minneapolis district, with green seal and serial numbers.
This is the popular so-called 'numeral' note because these 1928-era FRNs featured a number inside the district seal, rather than the letters which followed in later versions.
PMG has graded this note AU 55 EPQ, with the distinction of Exceptional Paper Quality.
Friedberg # is 2050-I; serial # is I01951964A. Signatures are Tate and Mellon.
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