A very large painting by Guercino has been stolen from San Vincenzo church in Modena, Italy, the Agence France-Presse reports. The 1639 painting measures more than 9 feet tall and 6 feet wide, and depicts Mary accompanied by John the Evangelist and Saint Gregory. According to Italian art critic Vittorio Sgarbi, it is worth between €5–6 million ($6.7–8 million). The work was last seen around mid-day on August 10, a member of the church told the AFP.

“It’s an altarpiece with a magnificently dressed Saint Gregory,” Sgarbi told the AFP, “a monumental work from the first phase of the artist’s mature period.”