For those who are interested in collecting coins, I suspect that you're already aware the Royal Mint have a coin celebrating the 200th anniversary of the railway in their 2025 annual set. But for those who aren't here's a link to the collection:
www.royalmint.com
2025 Annual Sets | The Royal Mint
The 2025 Annual Sets honour the life and legacy of Queen Elizabeth The Queen Mother, 200 years of the modern railway, 350 years of the Royal Observatory, Greenwich, the enduring success of the Red Arrows and stories of the Second World War.
www.royalmint.com