1199804 Pair of Chevallier binocular spectacles, Paris, c.1807 (silver, metal, tortoiseshell, glass, velvet & wood) by French School, (19th century); width: 12.1 cm; Private Collection; (add.info.: Silver plated double frame with tortoiseshell body tube covers, the double x frame bridge joined by an adjustment screw and column, straight folding sides with pear drop ends in fitted velvet lined wood case with maker\'s plaque); Photo 穢 Christie\'s Images.