Pair of vintage brass "lens" knobs/furniture handles

Elegant pair of vintage brass "lens" knobs/cabinet handles, dating from the 1960s/70s, by Silam. In beautiful, unused condition, they were in their original, slightly damaged packaging, though they do show some minor signs of age due to the packaging. Sold as a pair or in sets of four. Two pairs are available, as shown in the photos. Diameter 2 cm, depth 1 cm. Screws included. Secure and well-protected shipping. Combined shipping is more economical depending on the items and the price of the lot. Please feel free to contact me.