A RARE WUCAI ZUN-FORM 'DRAGON’ VASEWANLI SIX-CHARACTER MARK IN UNDERGLAZE BLUE WITHIN A DOUBLE CIRCLE AND OF THE PERIOD (1573-1619)The trumpet-shaped neck and the bulbous midsection are painted with two dragons above waves and amidst floral scroll, both registers accentuated with flanges. The flaring, ridged foot is decorated with further dragons between lappet and cloud borders, all rendered in iron-red, green, turquoise, yellow and black.12 1/8 in. (30.8 cm.) high, Japanese lacquered wood box