This old walnut slab came to me unexpectedly a handful of years back. A guy stopped by my shop one day and asked if I wanted to buy a walnut slab that he'd had in his family barn for a few decades. I told him to bring it by and I'd take a look at it. He was back a week later with a 5' long log that had been sawed into four 2 1/2" slabs. I bought them all and squirreled them away.
I ended up making a desk for myself out of this slab by attaching galvanized gas pipe legs to it. We decided recently though that this slab would be a better coffee table though, so I replaced the gas pipe with slab legs, and here you go: