This vintage Sylvania vacuum tube is a must-have for any collector or enthusiast of vintage electronics. Made in the United States, this  tube is a true gem of American-made technology. Although the tube is untested, it still holds its value as a vintage piece of history. With its classic design and durable construction, this vacuum tube is perfect for anyone looking to add a touch of vintage charm to their collection. Whether you're a collector of vintage tubes and sockets or a fan of vintage audio and video equipment, this Sylvania vacuum tube is sure to impress. Don't miss out on the opportunity to own a piece of American-made history.