It looks like someone might have stored something inside it, but a little bit of elbow grease should clean that right up. Dont let this rare piece of pottery slip away.Check out my other auctions as well. The item "Vintage Harding Black Lidded Urn Or Vase Teal Blue Texas Studio Pottery 1979" is in sale since Friday, March 02, 2018. This item is in the category "Pottery & Glass\Pottery & China\Art Pottery\Studio/ Handcrafted Pottery". The seller is "houstonsfinest1986" and is located in Sugar Land, Texas. This item can be shipped to United States.