- Fine Gold Content: Struck from 99.9% pure gold containing 1/25 troy ounce of gold.
- Royal Commemorative: Marks the 2005 marriage of Prince Charles and Camilla Parker Bowles.
- Proof Finish: Produced in proof quality with detailed portrait engraving.
- Official Issue: Legal tender denomination issued for the Cook Islands.
- Collector Appeal: Combines numismatic, historical, and precious metal interest.

