I don't know if someone wants to add this to the actual article, or just as a note here:

In 2017, an additional lot of at least 12 "Printer's Copies" were discovered via an auction of the printer's remaining materials and back stock. Of these, there were at least three variants (possibly more), with an unconfirmed number of each:

1. "Printer's Copy" written in black ink, signed by King and Uelsmann
2. "Printer's Copy" written in red ink, signed by King and Uelsmann
3. "Printer's Copy" written in black ink, not signed

Note: Most had slight inward bowing of the slipcase and some had rubbing on the spine.