This is the best source for value of Hull pottery. Unfortunately a new version hasn't come out since 2006.
More than pastels - Hull Pottery - Antique Trader
vintage Hull pottery
Hull Pottery Vases
Hull Pottery price guide signatures
Hull Pottery, Sueno Tulip, 1938. Vase, 106-33-6". Obverse side.
Hull pottery mirror brown coffee pot, brown drip, 1960 to 1985
Hull Pottery Brown Drip HTF Cannister Set ABSOLUTELY MINT L@@K !
Hull Pottery Ewer Wildflower Pattern