What is the "Chiasso Incident"?

"In June 2009 two Japanese men were arrested in the Italian Chiasso, near the Swiss border. The two Japanese, Yamaguchi and Watanabe, carried in the double bottom of their suitcase Federal Reserve Bonds with a face value of 134,500 billion dollar."
https://www.ellaster.nl/2016/04/15/the-trillion-dollar-lawsuit/

"The Chiasso financial smuggling case began on June 3, 2009 near Chiasso, Switzerland (near the Swiss/Italian border), when Sezione Operativa Territoriale di Chiasso in collaboration with officers of Italian customs/financial military police (Guardia di Finanza) detained two suspects (who appeared to be Japanese nationals in their 50s)[1] who had attempted to enter Switzerland with a suitcase in their possession with a false bottom containing what at first appeared to be U.S. Treasury Bonds worth $134.5 billion"
https://en.wikipedia.org/wiki/Chiasso_financial_smuggling_case

"Kennedy Bonds worth $134.5 billion, were stolen from two Japanese “diplomats,” representatives for the Dragon Family, Akihiko ‘Yamaguchi’ and Mitsuyoshi Watanabe. While crossing the border in Chiasso, an Italian town located on the border of Italy and Switzerland, they were approached directly by Italian Financial Police"
https://ronaldwederfoort.wordpress.com/2016/01/23/the-chiasso-incident-134-5-billion-stolen/

"Everything suggests that the American bonds seized at Chiasso are real"
http://www.asianews.it/news-en/Everything-suggests-that-the-American-bonds-seized-at-Chiasso-are-real-15648.html

"Official U.S. sources continue to say they are fakes"
http://www.marketskeptics.com/2009/07/everything-suggests-that-american-bonds.html