I have lots of black walnut slabs all thickness's. The lumber comes from Shalls Gardens in saint Lewis Mo.
It was a gift from my grand father for graduating in high school.
I have had it for over 50 years +. I never used any of it. All in good shape and definitely cured out.
I also have an amount of Black heart mesquite slabs nice widths cured out also. bountiful wood and nice thickness
all for $860.