Vintage Harding Black 1987 Spider Web Turquoise Bowl Great Condition. Vintage Harding Black Pottery Bowl Gorgeous Turquoise Color with dark blue Spider Web pattern Signed Harding Black 1987 on bottom. Measures just under 9 inches across top. Get images that make Supersized seem small. Tailor your auctions with Auctiva’s. Track Page Views With. Auctiva’s FREE Counter. The item “Vintage Harding Black Pottery 1987 Spider Web Turquoise Bowl Great Condition” is in sale since Friday, December 14, 2018. This item is in the category “Pottery & Glass\Pottery & China\Art Pottery\Studio/ Handcrafted Pottery”. The seller is “mandc14feb” and is located in Marion, Texas. This item can be shipped to United States.