Vintage Japanese Porcelain Plate by Kaiji Tsukamoto National Human Treasure

I have collected a few of these rare beautiful plates and they have only been used for display. I am selling them individually though. Condition : Plate is in excellent condition with no stains, chips, cracks, or crazing. Size : Dia. 7.2"(18.3cm) x Height 1.3"(3.2cm) Item Description : This is a vintage Japanese porcelain tea plate which was made by a Human National Treasure, Kaiji Tsukamoto (1912-1990) about 30-40 years ago. He was a great potter who was designated a Japanese Human National Treasure in 1983.  Flowers are molded on the upper side. The plate is white and is tinted with a celadon/light blue color as shown in the photos. The seal of his kiln is stamped on the bottom.