Sydney collector John Gibson was very much in the auction limelight with his collection of 19th century Sudanese postal history ranging from early Egyptian post offices through to the tumultuous 1880s and 1890s military campaigns of the region.
The top selling exhibit from his collection at Melbourne-based Abacus Auctions December 10-13 sale was the 1852 letter cover to an Austrian noblewoman (lot 2568), recognised as one of the most outstanding of all...