The oldest known tablet inscribed with the Ten Commandments from the Old Testament is expected to fetch up to $2 million when it goes up for auction next month.

The oldest known stone tablet featuring the Ten Commandments is set for auction at Sotheby’s and may sell for as much as $2 million.

Next month, the auction house will offer the oldest inscribed stone tablet of the Ten Commandments, dating back to 300 to 800 C.E. The 1,500-year-old artifact is expected to fetch up to $2 million during the single-lot sale on December 18.