After its owner submitted the piece to an online appraisal service, auction house specialists realized it had been ...

A member of the public submitted an online request to Christie’s for an appraisal of a watercolor painting that had long been ...

The watercolor is valued at approximately ten times more than if it were a Ruskin, who it was previously attributed to.

The Venetian lagoon painting—submitted by a member of the public to Christie's digital appraisal service—comes to auction in ...

A painting submitted by a member of the public through Christie’s “request an estimate” online appraisals service has turned out to be a prized watercolour by J.M.W. Turner. It will come to ...