This vintage GRS General Railway Signal Company Type KDC Shelf Relay 53002, patented in 1935, is a must-have for any collector of railroadiana and trains. The intricate design and historical significance of this hardware make it a valuable addition to any transportation collection. Crafted with precision and attention to detail, this piece is a testament to the engineering prowess of its time. It is perfect for display in a museum, office, or home setting. Don't miss out on the opportunity to own a piece of history with this vintage GRS General Railway Signal Company Type KDC Shelf Relay 53002.