






Antique Hawkes & Son Kosikup Mouthpiece – Silver-Plated, Early 1900s Rare Design. This is a rare antique Hawkes & Son Kosikup mouthpiece, likely designed for a cornet or trumpet. Produced in London during the early 1900s, this mouthpiece stands out due to its unique “Kosikup” registered design and silver-plated finish. Hawkes & Son, renowned for their high-quality brass instruments and accessories, produced this collectible piece before merging into Boosey & Hawkes in 1930. Design : “Kosikup” registered (marked on the side). Material : Silver-plated brass with intricate detailing. Total Height: Approximately 2.9 inches (7.4 cm). Outer Rim Diameter: Approximately 1 inch (2.5 cm). Bore Diameter (shank opening): Approximately 0.4 inches (1.0 cm). Cup Depth: Medium-Deep, ideal for balanced tone production. Condition : This mouthpiece is in good antique condition with patina, light wear, and tarnish consistent with its age. The markings are clearly visible, and the silver plating is largely intact. See photos for additional details. Historical Notes : Hawkes & Son’s “Kosikup” mouthpieces were an innovative design, popular among musicians for their comfort and tone quality. This piece is a collector’s item, perfect for vintage brass enthusiasts, musicians, or display purposes. Be sure to visit our shop, Everything New & Used. For a wide selection of unique items, vintage finds, quality watches, collectibles, and everyday essentials. Follow us for great deals and new listings added regularly!
