This product is a 4" diameter cast iron plate from the British Rail Inner Repair 6303 1234 train, dating back to 1979. It is a unique piece of railwayana hardware, showcasing the history and craftsmanship of British Rail during the era of 1948-1997. This plaque/sign serves as a collectable item for transportation enthusiasts and railwayana collectors, representing the rich heritage of British railway history. Made in the United Kingdom, this vintage piece is a valuable addition to any collection.