George VI, proof Halfpenny, 1951-PL (Royal Mint) (KM.42), once lightly cleaned, now toned, surface abrasions and blemishes, otherwise extremely fine, very rare

Details
George VI, proof Halfpenny, 1951-PL (Royal Mint) (KM.42), once lightly cleaned, now toned, surface abrasions and blemishes, otherwise extremely fine, very rare
Provenance
From a small collection of proof coins formed in London during the 1950's, mosy of which were sourced from a Royal Mint official.