...I really wish this plate had photographed better! ...~8 7/8" diameter, This colour scheme is known as "Moderntone Platonite"... This piece is in the harder-to-find darker colour of turquoise, and is in outstanding condition... The fired-on turquoise is rimmed with a thin, airbrushed charcoal border; The interior is white platonite... Very vivid colours, no nicks, chips, cracks, hairlines or repairs... Backmarked with the classic "H over A"... Hazel-Atlas Glass Company, Probably 1950's.....