With shallow rounded sides curving down to a flat countersunken base supported on three gently flaring ruyi-shaped feet, the rim bordered with a band enclosing evenly spaced rounded studs between two narrow raised ribs, above a further band of studs above the feet, applied overall with translucent bluish-green glaze suffused with a dense network of glistening ice crackles, the underside with three delicate 'sesame-seed' spur marks, Ming dynastyD: 17.5 CMProvenance: Important private collection, Dallas, Texas.