In the run-up to the hotly-contested November election, billionaire art collector Moishe Mana is hosting a private auction to benefit Hillary Clinton’s presidential campaign.

Taking place on October 22 at the private residence of economist Nouriel Roubini and co-hosted by National Finance Committee member Laetitia Garriott, the auction is expected to generate a six-figure sum.

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The Israeli-born moving and storage mogul teamed up with Mana Contemporary president Eugene Lemay and senior vice president Shai Baitel to select 18 artworks from his personal collection to go under the hammer. The sale includes works by artists such as Robert Indiana, Jessica Stockholder, and Cey Adams, with estimates ranging between $1,200 to $15,000.

Democratic presidential nominee Hillary Clinton. Photo: Joe Raedle/Getty Images.

Mana is aggressively campaigning for Clinton, offering to donate $2 million to charity if Republican candidate Donald Trump released his tax returns.

The entrepreneur even legitimized the guerrilla statues of a naked Trump that were erected in five cities across the country over the summer by street art collective Indecline, commissioning the artist, haunted house sculptor Ginger, to make two more copies. Mana erected the works overlooking New York’s Holland Tunnel and in front of a billboard in Miami’s Wynwood neighborhood.

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“All the past candidates were legit. There were differences on issues, but in the end, people could draw their own conclusions.” Mana told Rolling Stone in September. “But now we’re dealing with a lunatic. We’re dealing with one of the most racist people of our lifetimes,” he continued. “I see a lot of parallels with what the Germans went through in the 1920s, when Hitler rose to power. I think this guy should have been arrested a long, long time ago.”

Tickets to the event are available starting from $100 for a “supporter” and $500 for a “champion.” The pricier ticket also includes an invitation to a pre-reception with Roubini and other VIP guests.