Watch List notes:

George IV (1820-30), Copper Proof Halfpenny, 1822. Laureate and draped bust left, legend and toothed border surrounding, GEORGIUS IV D: G: REX, rev. crowned harp of 9 strings, date below, HIBERNIA. surrounding (D&F 634; S.6624). Attractively toned, has been slabbed and graded by NGC as PF64BN. Estimated Value $350
NGC Certification 4928202-006.
The Latin legends translate as on obverse "George IV, by the grace of God, King" and on the reverse "of Ireland."