Ireland Halfcrown 1943 choice BU from a recently found small war time hoard and graded 82 by CGS, NGC and Krause lists values up to MS60 for this key date rarity their value for MS60 being $4,600 this coin is choice and would probably be in the MS64 - 65 range which equates to CGS 82
Estimate: 3000-4000 GBP