Watch List notes:

World Coins, South Africa, Z.A.R, Proof AR threepence, 1892, bust of Paul Kruger to left, rev. value and date within wreath (KM. 3), certified and graded by NGC as Uncirculated Details, Cleaned
With old envelope stating 'proof', in holder stating 'cleaned', the cataloguer believes it to be a proof.
Sold as seen, no returns
(200-300 GBP)