George V, proof or specimen Florin, 1934-5 Melbourne Centenary (KM.33), some surface marks, otherwise extremely fine

Details
George V, proof or specimen Florin, 1934-5 Melbourne Centenary (KM.33), some surface marks, otherwise extremely fine
Provenance
From a small collectionof proof coins formed in London during the 1950's, most of which were sourced from a Royal Mint official.