Large old dividing dish signed Paul Urfer Bretagne MOF 32cm ceramic from Pornic

Large dish 32cm in diameter for pie/cake beautiful vintage dish (dated 1973) very amusing because it gives instructions for dividing it into equal parts, depending on the number of guests. 3-4-5-6-7-8-9 and 10 shares. In the center the face of a woman wearing a headdress in front of a castle and sailboats. Signature and pornic the dish was made by the artist paul urfer (1616-2000) meilleur ouvrier de fance (mof) in 1972. At the back: dish - divider christmas 1973 original creation paul urfer mof art ceramist pornic old dish which shows wear in the center (photos) approximate dimensions: diameter: 32cm height: 2cm look at the photos.