The billion dollar bond forgeries used 1934 $1000 bills as a model to create the fake bearer bonds. More on the story of the $134 billion in fake bonds is here.
..btw...Remember when the Germans requested all of their gold in the US be shipped out to them? And they also suggested that all of Dubai's gold in London, that was held in custodial accounts should also be shipped out to Dubai?
Gold doesn't have to be counterfeited, when it's not held in your possession!