The making of underglaze blue is to first paint the design with cobalt; then apply a layer of transparent glaze over the body.  The last step is to fire at a high temperature.  This type of underglaze blue ware was produced as early as the Tang dynasty.  In the Qing dynasty, cobalt, the blue color pigment was locally made so the color was fresh and light.

Yellow Ground with Underglaze Blue

The vase is first fired into an underglazed blue piece and then applied yellow glaze and fired at a low temperature.  The yellow ground vase with underglaze blue designs became very popular after the Qianlong reign.

Prices range between $69 and $1350. 
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The quality and value are ALWAYS guaranteed - each item receives its own information card with photograph of the item and a brief history of its origin.  Each of these unique treasures also comes with a matching custom stand.  Without going to China, you can find the world's best available treasures at Vases.biz.