Rose on Small Porcelain Tray Artist: Karen Grubaugh of Art on Porcelain Original hand painted piece with Mother of Pearl and Gold finish. This piece of original porcelain art was painted with a process first used in China more than 2,000 years ago. The artist meticulously painted the design several times and fired it to about 1400 degrees. It is the artist's hope that this will become your family's heirloom.