It was donated to the National Trust in 1999 , and put on display at Buckland House . Work was originally identified as being by a follower of Dutch master Rembrandt van Rijn . But while the Trust recognized that the portrait was a high-quality work , it was not put on display at Buckland Abbey , in Devon , southwest England , immediately . ` New tests reveal the painting , which depicts Rembrandt at the age of 29 , is by the artist himself . Re - evaluation of the painting is now worth more than $ 30 million -- but it can not be sold .
It was donated to the National Trust in 1999 , and put on display at Buckland House . Work was originally identified as being by a follower of Dutch master Rembrandt van Rijn . New tests reveal the painting , which depicts Rembrandt at the age of 29 , is by the artist himself . Re - evaluation of the painting is now worth more than $ 30 million -- but it can not be sold .