A COLLECTION OF TEN CHINESE EXPORT REVERSE-GLASS PAINTINGS, LATE 18TH CENTURY, Framed as two sets of four and one set of two, most depicting a figure holding a pipe, fan, falcon or flower and with a river landscape beyond, details in gilt, each in a giltwood frame, on a green velvet mount, each group framed in a giltwood and green-painted frame, The sets of four: 14 x 15 ? in. (35.5 x 39 cm.) overall; each framed picture 3 x 3 ? in. (7.5 x 9.5 cm.) , The pair: 14 x 10 ? in. (35.5 x 27 cm.) overall; each framed picture 3 ? x 3 in. (9.5 x 7.5 cm.)