Important Modern & Vintage Timepieces
Hong Kong, Apr 28, 2019
G. SANDERSON & CO. PATENTED LUNAR AND CALENDAR FOLDING WINDING-KEY; GILDED BRASS
Gilded brass lunar and calendar folding winding-key, built under the patent of June 23, 1762.
Brand G. Sanderson & Co.
Year circa 1762-1770
Material Gilded brass
Dimensions H. 39 mm.