TWO PAIRS OF CHINESE EXPORT REVERSE MIRROR PAINTINGS

TWO PAIRS OF CHINESE EXPORT REVERSE MIRROR PAINTINGS
QING DYNASTY, SECOND-HALF 18TH/EARLY 19TH CENTURY
Each depicting a lady in seated portrait, two in giltwood frames, two in ebonzied frames, variation in sizes
The giltwood frames: 11 1⁄4 in. (28.5 cm.) high, 9 in. (23 cm.) wide, framed
The ebonized frames: 9 1⁄2 in. (24 cm.) high, 7 1⁄2 in. (19 cm.) wide, framed