Openwork pot / letter holder in Art Nouveau ceramic

Small pierced pot Art Nouveau, letter or napkin holder. Diamond shape, architectural structure in neo-Gothic / Art Nouveau style with post columns, scalloped edge & pierced walls with a curved floral pattern. In crackled earthenware with a cream white glaze; marked in relief underneath Germany. Early 20th century. Very high quality and in very good condition, 2 tiny losses of enamel (see photos).