1-1/2″ LD-K-18 Knob — an exact copy of a specific period original, faithfully reproduced in solid cast brass. This Londonderry knob combines historic character with substantial heft: even as a compact interior or desk knob it feels authoritative in the hand. Meticulously finished to match the original patina and detail, these are the finest reproductions in the world for restoration projects, period interiors, and high-end cabinetry. Each knob is cast to order to ensure museum-quality detail and consistent quality control. Lead time is roughly 4 weeks (estimate only, not a guaranteed ship date). Perfect for architects, restorers, and homeowners seeking authentic Londonderry brasses, the LD-K-18 delivers enduring style and unmatched craftsmanship.