In 2015 to celebrate Gene Roddenberry's Star Trek, the Perth Mint on behalf of the issuing country of Tuvalu released a very Limited Issue Transporter $1 One Dollar Silver Proof 2 Coin Set both struck in solid fine .999 Silver and each weighing one ounce of pure Silver.
The reverse design of the first coin depicts the Starship USS Voyager and the second Captain Kathryn Janeway while the obverse of both coins bear the elegant 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.