Great Britain. Halfcrown, 1821. S.3807; ESC-631; KM-676. George IV. Obverse, laureate portrait of king left. Reverse, crowned shield of arms, ANNO 1821 at sides. Nicely frosted portrait and dark green old tone over practically flawless surfaces. A conservatively graded mint state example. NGC graded MS-64. Estimated Value $900 - 1,000