Old opaque porcelain dish from Gien, Montmorency model

Lovely round dish in opaque porcelain from the gien earthenware factory, montmorency model. Navy blue geometric patterns on the rim and in the center of the plate. The enamel of the dish is cracked. Some minimal defects linked to the manufacturing techniques of the time. No cracks or chips weight: 0.664kg ref 98/24.