Bridge engineers in the UK will examining their change more closely this week with the launch of the first in a series of coins depicting bridges. The first of the £1 (US$1.79) coins features Scottish landmark the Forth Rail Bridge. Other designs will be introduced annually, showing the Menai Strait Bridge for Wales, MacNeill's Egyptian Arch for Northern Ireland and the Millennium Bridge in Gateshead for England. In addition to the nickel-brass circulating version, the Scottish coin is available as gold and silver limited edition proofs - details from www.royalmint.com/pound/ (opens in new window).