In 2007 to celebrate famous bridges from the United Kingdom, the Royal Mint released a special Limited Issue Gateshead Millennium Bridge £1 One Pound Silver Proof Coin struck in solid .925 Sterling Silver Certified Slabbed and Graded by PCGS as PR70 DCAM.
The reverse depicts the Gateshead Millennium Bridge designed by Edwina Ellis and the obverse is a portrait of Queen Elizabeth II, designed by Ian Rank Broadley.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.