Very old BWM English porcelain plate/serving dish from Brown Westhead Moor

Very old bwm english porcelain plate/serving dish from brown westhead moore and co. 19th century. Colors cobalt blue (rare of this color) tinted in the mass, decorated with a monogram brand and english registration number in the shape of a diamond it is in very good condition, bright colors (there is just a small chip on the perimeter - see last photo taken in macro) 26 cm in diameter by 4 cm in height, very beautiful old piece.