Antique Ironstone Serving Platter c1850

Large Ironstone Serving Platter was made by J. Clementson, England in the late 1800's. This is a large Ironstone Platter with a Blue Asian Transferware Pattern. The pattern name is "Siam". The platter measures approx. 12 3/8" x 16" and is 1 1/2" tall. The bottom is marked "Siam" with the Clementson logo. There are no chips or cracks. There is age and usage discoloration on the front and back. There are a couple of brown glaze pops with dings. There is also some slight yellowing due to its age.. Please see pictures. i