This vintage brass key and tumble lot from the Chicago Lock Company is a rare find for collectors of antique locks and keys. The intricate design and craftsmanship of this piece is a testament to the quality of American manufacturing during its time of production. The key and tumble lot is a must-have addition to any collection, and its authenticity as a vintage item adds to its charm and historical significance. It is a true gem for those who appreciate the beauty of old-world craftsmanship.