Fun fact: while Russian Olive is not rare in and of itself (as it is an invasive species in the US) it is not often a tree grows large enough for usable lumber. Let alone to be chock full of sweet Burl figure! Dimensions: 8.125" x 24" x.
Note there is a crack that will need to be stabilized near the center on both panels (see third photo) as well as a few small checks that may or may not end up cut off as excess depending your body shape.