This advert promotes Colman's D.S.F. Mustard. It dates from the 1920s. Colman’s is still best known for its mustard. The familiar bull’s head trade mark was adopted in 1855, while the distinctive red and yellow labelling was introduced in 1866. In the same year the company was granted the Royal Warrant as manufacturer of mustard to Queen Victoria. One of the most famous brands in the world, Colman’s is still best known for its mustard. In the 2010s, the Royal Household still uses Colman’s products, which continue to be manufactured at Carrow in Norwich.