Set of 2 Antique Door Knobs with Star-Shaped Backplates – ca. 1920 – Art Deco In Excellent Condition – No Reserve A rare and high-end quality set of two antique cast-iron door knobs with their original star-shaped backplates, dating from around 1920. The geometric, radiating form of the star and the fluted mushroom-shaped knob are highly characteristic of the early Art Deco period, when bold architectural silhouettes and stylized geometry became a hallmark of modern design. Both pieces have been fully restored and fitted with new galvanized threaded rods, making them ready for practical use or decorative installation. Details Period: ca. 1920 Style: Early Art Deco Material: Cast iron, restored and repainted Diameter knob: approx. 6.4 cm Backplate (star) width: approx. 17 cm Threaded rod length: approx. 9 cm Condition: In excellent restored condition; ready to mount Historical Context Around 1920, European door hardware makers embraced the emerging Art Deco aesthetic, shifting from organic Art Nouveau lines toward sharp, geometric, architectural forms. Star-shaped escutcheons and sculptural knobs like these were typically used in representative interiors—shops, offices, and well-appointed townhouses—expressing the optimism and modernity of the interwar period. A striking and rare set—decorative, sculptural, and highly collectible.