Extensive Testing
That is not to say that the organization did not run extensive tests on the piece before handing in their final conclusion. They did establish that the painting had come from Rembrandt’s studio, however, and believed that an assistant had created the piece. What evidence led them to this assessment? Incredibly, it was the type of lighting used in the painting, and the rough texture of the brush strokes. They had looked closer at the painting than anyone had before them.

Extensive Testing
