S/1938 Antique Treen 19th Century Lignum Vitae Magnifying Glass
A rare lignum vitae magnifying glass, in the form of a ball, having a removable threaded circular glass to each end; made of heartwood and sapwood, and having a good rich colour and patination.
3¼ in. (8.5 cm.) High
3 in. (7.5 cm.) Diameter English Circa 1830