A pair of Canton enamel, snuff bottles, 20th century, (2), each of upright form, either side painted after Lang Shih-ning (Giuseppe Castiglioni 1688 - 1766) with a hound dog in a landscape panel, the edges with blue landscape vignettes, all reserved on a floral decorated turquoise ground between formal borders, the base with an apocryphal four-character mark of Qianlong in blue enamel, stoppers en suite, (2), 7 cm high overall