Rare antique English (London) sterling silver propelling mechanical pencil by Sampson Mordan & Co. dated 1873. S. Mordan was the co-inventor of the first patented mechanical pencil. It's a collectible piece that captures a moment in history, making it a timeless treasure to be enjoyed for generations. With its sleek and sophisticated design, it's perfect for adding a touch of classic style to any desk and stationary collection.