Chinese Qing Dynasty Period, Yongzheng DouCai mandarin duck pond porcelain wine cup. The porcelain potted with a shallow deep body, of a shallow vessel, with a straight opening lip, raised on round slightly concave footing. All reserved in clean white underglaze base color which contrast against the DouCai design color. Doucai decoration the design is outlined in underglaze blue and filled in with overglaze colored enamels except blue. Colors which fit together but also contrasting or joined colors. Decoration in a combination of underglaze cobalt blue outlines and enamels added on top of the fired glaze, within the outlines. The Exterior decorated with mandarin duck in a pond among various flowers blooms, foliage and water plants, enclosed with double fine blue rings on the upper mouth rim. The color is balanced, elegant and exquisite. The clay is very fine, with a brilliant glaze finish that was applied by a meticulous, the shape is uniformly proportioned. The Under-base bears a reign mark, a vertical six underglaze blue script characters reign mark, enclosed within double fine blue rings, Made in The Years of Yongzheng Reign Period of The Great Qing Dynasty.