This is a Royal Crown Derby 6 & 1/8" Bread & Butter Plate ( Blue Mikado Pattern) and measure 3 1/2" across the bottom foot. There are (2) different marks on these (8) plates and (6) of the plates have an impressed mark on the bottom Derby 1924 and (2) have an impressed mark of Derby 1925. Royal Crown Derby, Blue Mikado pattern has been in production since 1925 and to this day is still a much sought after china pattern. It features Oriental scenes in Blue on a pure white china background with a scalloped and gold trim edge. Blue Mikado was inspired by Japanese Rice paper patterns. Each different piece of china depicts a different scene of a Love story. It is in excellent condition with no problems. We have other pieces of this pattern available to purchase, see our listings. We have more of these Bread & Butter Plates available and the number available is listed below. These plates have all the same Royal Crown Derby early Trademark. This plate is in Great Condition, No Scratches, or any other form of Wear or Damage.