The image is a photograph of a sign in Chinese that reads "Bamboo-Green Glaze". The sign is rectangular in shape and has a black background with white text. The text is written in both English and Chinese characters. Below the text, there is a description of the product, which states that bamboo-green glaze was an innovative celadon color of the Yongle reign so named because of its likeness to bamboo. It is produced by firing at high temperatures with oxidized iron as a coloring agent. The glaze has a hard, glassy surface, under which many bubbles similar to fish eggs. Few pieces of Yongle bamboo green porcelain with its elegant lightness and refreshing purity survive today.