Collection with out a thumbnail property

This is a collection with out a thumbnail property. You could go and get the thumbnail from the canvas but it is also OK not to show a thumbnail for this resource.

Links:

• https://iiif-commons.github.io/fixtures/examples/thumbnail/collection/v2/no_thum_prop/collection.json
• UV 3
• UV 4
• Mirador
• Clover
• Thumbnail Panel