Watch List notes:

(g) South Africa, George VI (1936-52), proof set, 1952, gold Pound, Half-Pound, silver Crown to Threepence, bronze Penny to Farthing (KM PS.24), occasional hairlines, otherwise uncirculated, in South African Mint case of issue (11).
provenance
Bt. South African Mint, Pretoria, 20 March 1953 , £13, 10/-
Estimate: £350.00 - £450.00