A BLUE-GLAZED INCISED-DRAGON BOWL Chenghua six-character mark, 17th centuryPROPERTY FROM A PRIVATE COLLECTIONA BLUE-GLAZED INCISED-DRAGON BOWLChenghua six-character mark, 17th centuryThe exterior and interior boldly incised with two four-clawed dragons amidst cloud scrolls, and the center of the interior with a large magic pearl with flame scrolls, all under a deep violet blue glaze that stops neatly, halfway-down the circular, brown-dressed foot rim, the rim with a brown-dressed edge under a clear glaze and the base and interior foot with a dark black-brown dressing, incised with a Chenghua six-character mark. 7 1/4in (18.3cm) diam, fitted cloth box成化款 十七世紀 藍釉劃花龍紋碗Provenance:Bluett & Sons Ltd, London, according to a label on the base來源：倫敦Bluett & Sons Ltd古董行（據碗底標籤）Compare the blue glazed bowl with closely related decoration in the collection of the Asian Art Museum of San Francisco, illustrated on the museum's website, accession number B60P2215.