Chinese, mid-19th century, [Tongzhi] period, emperor in a garden pavilion with a standing musician in a landscape, painted in underglaze blue, double blue ring at rim banding, verso with stylized flowers in fruit, four-character mark in underglaze blue within a double ring, unglazed foot, 1-5/8 x 5-5/8 in., edge roughness at top rim, minor firing anomalies edge roughness at top rim, minor firing anomalies