DELFT Earthenware calotte plate with polychrome decoration of a bird perched on a flowering rock in a medallion set against a green background. 18th century D. 22 cm Chips on the rim. Two earthenware calotte plates with polychrome decoration in the center of an angel in a medallion on a background of floral motifs and a frieze on the wing. 18th century D. 22.5 cm Chips and one crack.