(Sarah of the Clue Crew reads from a printing press at the Bureau of Engraving and Printing in Washington, D.C.)  The color of the first ink used in printing $1 bills & the part of the sheet it goes on gives us this word that dates from 1862
.... Up-to-
date information about the SPMC and its activities can be found on its .... bank, 
the Stockholms Banco, which on July 16, 1661, issued the first banknotes in 
Europe.