2000 THE WORLDS FIRST CAST IRON BRIDGE 1779 MEDALLION M22

Commemorative medallion celebrating the world's first cast iron bridge, constructed in 1779. This historic M22 piece honours the engineering milestone of the Iron Bridge at Coalbrookdale, Shropshire. A striking collectible for history enthusiasts and numismatists alike, featuring detailed casting that captures the significance of this revolutionary achievement in industrial heritage.