A Pierrefonds Crystalline-Glazed Art Pottery jardiniere, Faiencerie Heraldique de Pierrefonds, France, circa 1910 the oval form jardiniere with a waisted collar and everted rim, decorated with a blue crystalline glaze upon a mottled green to blue ground, numbered 401 to the underside and with impressed factory mark of helmet with Fh for Faiencerie Heraldique. Height 13.5 cm, length 30 cm, width 19.5 cm