I’d agree it’s likely not walnut. There are a lot of light toned burled veneers, and whether it’s oak or not, the oak veneer you pictured would be a...
I shop for wood with a list of components, their rough size, and desired grain vs bd’. It usually leads to a lot of searching, more cost, and higher...
I do it a little different. I hand plane one face flat, run it through the lunch box planer to flatten the opposite face and then resaw on the table...