Naatsilid Hand Painted Pottery Vase Navaho, Signed

The colors are purples, peach, black and cream. This is a vintage, hand painted, signed Navaho pottery vase 10" tall 6" wide at widest point It is in very good pre-owned condition. There is a small mark on it that I couldn't get off with water, and there is a white spot that is raised, as if a little clay piece stuck to it. I was able to pick a little bit of it off, and the paint was fine underneath. Both are shown in the last two pics.