"$134.5 billion in bonds they were holding in Italy, in June 2009."
https://www.courthousenews.com/bizarre-claim-for-1-trillion/
"In 2009, Italian financial police seized $742 billion of fake U.S. bearer bonds in the of Chiasso, on the Swiss-Italian border."
https://www.reuters.com/article/us-usa-bonds-forgery-idUSTRE81G11620120217
"However, the confiscated bonds remained in the hands of the Italians and there is proof that they have been redeemed by the Italian government and the Federal Reserve Bank in new York and placed in a financial program of the United Nations."
https://www.ellaster.nl/2016/04/15/the-trillion-dollar-lawsuit/