This Hollow Form is Walnut, about 7″ around and 4″ tall.
It was turned from a full log, so the pith (center of the log) runs thru the sides of the form. There is a lot of stress around the pith, and it usually leads to cracking.
After it sat for a while, it did crack. I repaired those cracks with Pewa (butterfly) patches and Huini pegs, both made of Maple.
On one side of the form, there is a place where it appears a branch had broken off and the tree grew around it.