A painting that was thought to be by Rembrandt sold for almost 14 million dollars

The mysterious nature of the sale highlights the rapid growth in recent years of private sales. The Rothko painting was sold for $100 million in a secret sale at Christie's in New York City, New York. The sale was private, with few publicly available details, but few details were made public.

Painting valued at $15,000 just two years ago fetched more than 900 times as much. Painting identified as work of Dutch master Rembrandt has sold for almost $14 million. Painting was found to be the work of the 16th century Dutch master of artworks.

Rembrandt-painted portraits of Jan Willemsz van der Pluym and his wife, Jaapgen, are once again visible to the public after nearly 200 years in a private collection. The portraits of the couple will go on display after almost 200 years.