in standard script on the base in underglaze blue in three vertical columns of two characters each: Da Qing Kangzi nian zhi (made in the Kangzi reign of the great Qing dynasty)
Thomas B. Clarke [1848-1931], New York; sold 1913 to Peter A. B. Widener, Elkins Park, Pennsylvania; inheritance from the Estate of Peter A. B. Widener by gift through power of appointment of Joseph E. Widener, Elkins Park.
- Works of Art from the Widener Collection. Foreword by David Finley and John Walker. National Gallery of Art, Washington, 1942: 21.
- Bower, Virginia, Josephine Hadley Knapp, Stephen Little, and Robert Wilson Torchia. Decorative Arts, Part II: Far Eastern Ceramics and Paintings; Persian and Indian Rugs and Carpets. The Collections of the National Gallery of Art Systematic Catalogue. Washington, D.C., 1998: 58-60, color repro.
The lower half has a sharp inclusion in the glaze.