Two Renoir paintings stolen from a small French museum have yet to be recovered but if the thieves are hoping to cash in on the artwork, they would be hard-pressed to find a buyer.

Seven people have been arrested in the investigation of a stunning heist at the Louvre Museum in Paris, but the lavish, stolen jewels that once adorned France’s royals are still missing.

After going missing nearly 80 years ago, a baroque landscape painting was returned to Germany on Thursday.