The world's earliest-known stone inscription of the Ten Commandments has sold at auction in Beverly Hills for $850,000.

Heritage Auctions says the sold Wednesday night at a public auction of ancient Biblical archaeology artifacts.

The two-foot square marble slab weighs about 115 pounds and is inscribed in an early Hebrew script called Samaritan.

Heritage says the tablet likely adorned the entrance of a synagogue that was destroyed by the Romans between A.D. 400 and 600, or by the Crusaders in the .

The auction house says the Israeli Antiquities Authorities approved export of the piece to the United States in 2005. The only condition is that it must be displayed in a public museum. Heritage says the new owner is under obligation to do that.