It is a white cardboard with bevelled edges placed between the frame and the photograph. The mat has a double function:
Grace Kelly putting on makeup in the company of her sister Lizanne on the film La Main au Collet 1955.See all photos from Bridgeman Images
Bridgeman Images - CSU Archives/Everett Collection / Everett Collection / Bridgeman Images
Your photograph is printed on a high quality satin photo paper in 250g thickness. Thanks to our high-performance printing systems and a sharpness of up to 1440 dpi, we guarantee you a product worthy of the greatest art galleries. If, despite our expertise and precautions, you notice something wrong with your product, we will send you a new photograph at our expense.
Grace Kelly, makeup, black and white