Title : Keil Vintage Locksmith Advertising Sign – 1950s Key Shaped Metal Sign, Charlestown, NH. Description : This Keil vintage locksmith advertising sign from the 1950s is a charming piece of mid-20th-century marketing. Made of cast aluminum and shaped like a key, the sign features the “Keil” name alongside “Keys Made, ” representing the Keil company from Charlestown, New Hampshire. Measuring approximately 27.5 in length, this double-sided sign was originally used outside locksmith shops to advertise key cutting services. The bright red color remains vibrant, a testament to its durable construction and careful preservation over the years. It would make a fantastic addition to a collection of vintage advertising memorabilia or serve as a unique decorative piece for a home or business. Condition : This sign is in good vintage condition, with minor wear consistent with its age. The metal remains sturdy, and the colors have retained their vibrancy. A classic example of mid-century signage.