Watch List notes:

World Coins, Myanmar (Burma), Mindon, proof 5 mu (½ rupee), CS 1214 (1852), struck at the Heaton Mint, Birmingham, peacock facing, rev. denomination within wreath (KM.9), light grey toning, certified and graded by NGC as Proof 66, very rare
The highest-graded example by either NGC or PCGS.
($2000-2500)