In 2003 to celebrate the Lord of the Rings, the Royal Mint on behalf of the Reserve Bank of New Zealand released a very Limited Issue Lord of the Rings Helms Deep $1 One Dollar Silver Proof Coin struck in solid .925 Sterling Silver.
The reverse design depicts Helms Deep
while the obverse design is the stunning portrait of Her Majesty Queen Elizabeth II by Ian Rank Broadley.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.