Friedberg 1187m. 1922 $20 Mule Gold Certificate. PMG About Uncirculated 55. Serial Number 1. This remarkable $20 Gold Certificate displays serial number K1 in prominent gold inks to the lower left and upper right of George Washingtons portrait. Even more fascinating is this is a rare serial number 1 Mule note. This 1922 $20 displays John Burke back plate number 144 near the upper left corner of the field on the back of the note.Bold overprint embossing is clearly evident on the brilliant golden-orange printed back. The sharply printed impressions are well famed on both sides. The colors are ideal and just a slight bit of handling accounts for the assigned grade. This is another incredible note from the Pogue Collection that can be traced back to Albert A. Grinnell. <em>From Albert A. Grinnell; Barney Bluestones sale of March 1945, lot 755; Federal Coin Exchanges Fixed Price List of June 1952; Heritages sale of January 2005, lot 17847. </em>
