4 dessert plates in iron earth from Longwy

Set of 4 old dessert plates in iron earth from the longwy factory. This is the "ycho" model which has a petroleum blue floral decoration on an ivory white background. One of the plates has a very slightly different pattern from the others. All plates bear the stamp of the manufacture. The plates have marks of use. One of the plates has a crack (see photo). A plate has an original defect resembling a sparkle (but covered with enamel therefore of origin). See photos. Diameter 21.7 cm.