Set of 4 hollow plates Saint Amand and Hamage, Byzantine model

Superb set of 4 hollow plates terre de fer xixth in earthenware of st amand and hamage, byzantine model. Gray / green decoration made with stencil. Stamped on the reverse of each plate. In good general condition, a plate has a small shine on the edge (see photo), a plate has some surface scratches on the edge (see photo). For the rest, there are some small traces of use such as traces of light knives without any gravity. No crack, no sign of restoration, no stains. The earthenware is beautiful and shiny. Height: 3.8 cm. Diameter: 23 cm.