A musen ("wireless") cloisonné-enamel vase Meiji (1868-1912) or Taisho (1912-1926) era, 19th/20th century The ovoid body with an elongated neck and splayed foot worked in polychrome enamels with a continuous design of blossoming irises against a graduated blue ground, changing to white at the foot, signed on the underside with the mark of Gonda Hirosuke, and inscribed Kumiai isho senyo (Exclusive to the design union), silver mounts 12 1/2in (31.7cm) high