In 1927 the Royal Mint released a very Limited Issue 3D Threepence Silver Proof Coin struck in solid .500 Silver Certified Slabbed and Graded by PCGS as PR66.
The reverse depicts three oak sprigs with three acorns while the obverse is the bare head portrait of George V.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.