Allow for more than one image
In some cases one item might have more than one image available, e.g. different scans of the same page. These might highlight e.g. the page as seen and an infrared image that shows hidden layers.
In some cases one item might have more than one image available, e.g. different scans of the same page. These might highlight e.g. the page as seen and an infrared image that shows hidden layers.