4 Longchamps iron earth soup plates

4 white and blue longchamp soup plates, trust model. Early 20th century. Model: trust, floral garland decoration and soft blue ribbon. The longchamp earthenware factory was bought in 1868 by the brothers marcel and robert charbonnier* from mr phal-blando. From 1878, the charbonnier brothers focused on the production, modern at the time, of fine ceramics called "iron earth" or "opaque porcelain" **. Size: 23cm we have 2 sets of 4 plates.