This is a French milk glass plate. Arcopal is a series of tempered glass developed in 1958 by Verrerie Cristallerie d'Arques. I chose it for the pattern. There are scratches and stains commensurate with its age. Diameter: Approximately 22.6cm Height: Approximately 3.2cm Sizes are approximate. The actual item may differ slightly in color from the images. Please understand the description and images before purchasing.