Coil spring spectacles, tinted, gold plated frame, xylonite rims in blue leatherette spring lid case, supplied by G.C. Bateman, Leatherhead, by Nitsche and Gunther, Germany, 1930-1940 Coil spring spectacles
Coil spring spectacles, gold plated plastic covered rims, in spring lid case, supplied by Bateman, European, 1920-1950 Coil spring spectacles