In 1975 on behalf of the Sultanate of Oman Qabus Bin Saidi, the Royal Mint released a very Limited Issue Omani Half Rial Gold Proof Coin struck in solid .917 Gold Certified Slabbed and Graded by PCGS as Unc Details.
The reverse has the value and date while the obverse depicts the National Arms of Oman.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.