Armie Hammer is apparently prepping for his role as Ruth Bader Ginsburg’s late husband with a trip to Washington to see the Supreme Court justice herself.

The “Social Network“ actor has reportedly been tapped to play Marty Ginsburg in the 2018 biopic “On the Basis of Sex.” Ginsburg, a tax law expert, died in 2010 at 78.

On Thursday, Hammer posted a photo from outside the Supreme Court, showing a book with a handwritten message he said was from the 84-year-old justice:

I don't always go to the Supreme Court, but when I do Justice Ginsburg gives me books.... #holyshit #speechless A post shared by Armie Hammer (@armiehammer) on Sep 14, 2017 at 2:33pm PDT

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A note signed by Ginsburg reads: "For Armie to introduce you to Marty. Enjoy!" It appears to be a page from "Chef Supreme," a cookbook created by the spouses of the Supreme Court justices as a tribute to Ginsburg's husband.

Hammer, 31, continued his journey through the nation’s capital on Friday, sharing a pic from Washington’s Georgetown neighborhood with his more than 200,000 Instagram followers.