What was the theme of the designs that appeared on the reverse of £1 coins from 2004 - 2007?
Bridges Bridge railing styles Bridge building BRIDGES 🌉 Bridge abutments Railroad Bridge Railroad bridge Road bridges Bridge Building Bridge (engineering) Double-deck bridge Railway bridges Types of bridges Railway bridge Bridge (structure) Bridge railing Bridge railing style Brigecraft Road bridge Bridgecraft Bridge Road Bridge Bridge failure Rail bridge Railway Bridge Bidge Bridge failures