This vintage Denver Colo Gardner-Denver Co Sinker Drill Brass & Leather Watch Fob is a unique addition to any collection of mining collectibles. The watch fob is made of high-quality materials, including brass and leather, which adds to its durability and longevity. Its design is a great representation of the mining industry's history and culture.  It is an excellent item for collectors of mining memorabilia and those interested in the history of Denver, Colorado. This unique piece is perfect for adding to a collection or as a standalone item for display.