A rare powder-blue ground 'dragon' bowl, mark and period of Kangxi, the steeply rounded sides and flared rim springing from a straight foot, covered on the exterior with a powder-blue glaze decorated with two scaly dragons pursuing flaming pearls among scattered flames, outlined in white reserve against the blue ground, the rim and interior glazed in white, the base inscribed with a six-character mark in underglaze blue within a double circle, 19.2 cm diameter