<https://www.mapleframing.co.uk/product/a3-bevelled-black-photo-mount/#product>
<http://schema.org/description>
"Quality photo mounts.\r\nWhite bevelled aperture edge.\r\nA3 aperture, 18\" x 14\" overall.\r\nSingle quantities available."
<https://www.mapleframing.co.uk/product/a3-bevelled-black-photo-mount/>