The Trademark Royal Vale and VALE originally USED BY H J Colclough (1897 - 1937 )Vale works, Goddard St, Longton.Part of Colclough China (1937 - 48) Eventually becoming part of RIDGWAY GROUP Various Potteries 1955 - 1964 : Booths Church Bank Pottery Tunstall. Colcloughs, Regent Works, Longton, Paladin Works,Fenton North Staffordshire Pottery, Cobridge, Portland Pottery, Cobridge, Bedford Works, Shelton, Adderley Floral China Works, Longton, Gainsborough Works Longton . MARKS INCLUDE : Colclough, Royal Vale, Royal Adderley, Melba, Malvern, N S Pottery, Ridgway.