Measuring 45.7 centimeters by 41.9 centimeters (18 inches by 16.5 inches), experts identified the painting as a Van Gogh following a process that took four years. The oil on canvas painting is a ...

New York-based, upmarket gemstone dealer has created a series of oil paintings entitled "Tree Portraits" that celebrates the ...

While the painting is restored ... and debris that may be more ingrained in the canvas. A surfactant cleaner is used to remove grease, grime, and oil off the surface of the painting.