South Africa, George V, Proof set, 1923, comprising Sovereign and Half-Sovereign, Halfcrown to Farthing (KM. PS1) [10]. Gold and Penny brilliant, silver lightly toned, but Halfpenny and Farthing corroded; in original red fitted Mappin & Webb case [this a little distressed and damp-stained at one corner] (£550-650)