Billionaire Don Hankey's company underwrote a $175 million appeal bond for Donald Trump. The 80-year-old oversees Hankey Group, which employs over 3,400 people and whose assets are worth around $22.5 billion, per Forbes. Axos Bank CEO Greg Garrabrants has previously donated around $50,000 to Republican campaigns since 2012, with $9,600 in support of Trump, according to Federal elections records. Related storiesHankey's net worth is estimated at $7.4 billion, according to Forbes — and it's nearly doubled within the last three years. The mansion ended up auctioning for less than half of its expected $500 million worth.

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