Found this last night right before I passed out. Gavin trades in physical silver bars as a liquid investment. Possible money laundering.
>Over the past several years, the couple made several hundred thousand dollars trading silver. In 2011, for example, they made $499,452 trading the metal.
https://www.sfchronicle.com/politics/article/Gavin-Newsom-reports-nearly-1-3-million-in-2016-12849486.php
>The tax returns show the Newsoms made hundreds of thousands of dollars trading silver bars during Newsom’s tenure as lieutenant governor. In 2011 alone, they turned a profit of $499,452 on the sale of silver bars.
https://www.latimes.com/politics/la-pol-ca-gavin-newsom-tax-returns-20170509-htmlstory.html