Beautiful Signed 2008 David Waln drinking glass / Oregon Studio Pottery / Pacific Northwest Art / Tree Mug. Signed and dated on bottom, and it is are in excellent unused condition. My brother sent this to me right when he moved to Oregon and it's been stored nicely since. I was thinking about putting my toothbrushes in it as well but just doesn't match anything. Great condition! Over the past four decades David has developed the clays and glazes he needs for pottery that is strong, attractive, safe, and a pleasure to use. All his pots are hand thrown on a potter's wheel, glazed, decorated and signed - no two are exactly alike. David's pots are: Lead free Dishwasher safe Microwave safe Most are Porcelaneous Stoneware. Some are specially formulated for ovenware. 8.10 Measurements are there for your interpretation. Colors can appear different via camera.