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Dadson was a brand of H.H. Dadson & Co. (Shaw, Son and Co.), which distributed a patented system pipe close to Dunhill's Dry Way system, with the patent number stamped on the shank. Of the four surface finish options, the rustic one is carved using the same method as Sasieni's rustic finish; for comparison, see the Sasieni Retford and Four Dot Rustic entries.