The main cover is made of Old Boots leather and the pocket on the front pocket is Brownie leather.
The price was $122 but I was given a 15% discount, so I paid $103.70.
My full review: https://the-gadgeteer.com/2020/11/19/lecow-custom-leather-travelers-notebook-cover-review/
You can order your own cover at https://lecow.store/