This great bowl measures 9.75" wide and is 4.5" tall. No signature on the bottom, it might have had one, but it is no longer visible, because of the wear.
Great Earth tone paint, on a winter wheat ground. I'm not sure on the age.
There are early potters whose works are very much the same. The item "Vintage Native American Hopi Pot" is in sale since Sunday, October 21, 2018. This item is in the category "Collectibles\Cultures & Ethnicities\Native American\ US\1935-Now\Pottery". The seller is "1vintagelithos" and is located in Jerome, Idaho. This item can be shipped to United States.