This image shows a maker's mark for Royal Staffordshire Pottery, specifically featuring the "Renown" pattern name. 

• This brand was manufactured by A.J. Wilkinson Ltd. in Burslem, England. 

• The mark is often found on "Flow Blue" style transferware, such as the popular "Iris" pattern, produced in the early 1900s. 

• Items featuring this mark are considered vintage collectibles