This seller of butcher-blocks is in Oroville, CA
(2-hour Driving distance for me)
Thickness starts at 1 3/8. then 1 3/4, 1 7/8 and even 2 7/8 !
These are Mahogany - not sure what that would sound like, but I will probably try it in 6 months or so with the Lii Silver 10.
https://perfectplank.com/mahoganyselect.htmlAnd another page with slightly different boards. not sure how they are different:
https://perfectplank.com/mahogany_wl_tops.html If I ever succeed, I will report back.
Sam