This lovely vintage stoneware mug from Otagiri Japan features blue Iris flowers with speckled blue background. Brown color rim. Otagiri Japan are stamped at the bottom of the cup. Otagiri stoneware was produced and painted by hand by a group of artists hired to design and create pieces. Approximate size: Diameter 2 3/4" x Height 3 3/4". Approximate weight: 10.7 oz Excellent condition, no chip, no crack, no stain. Offers are welcomed.