upper right stamp variety 'C of CA missing from watermark'
Accompanied with a British Philatelic Association certificate of authenticity (2018)
one of only two recorded 6d frankings prepaid with four additional 1d blacks
and his son Thomas would never have had the opportunity to establish the Royal Exchange - the precursor to London's Stock Exchange
Charles Feldman owned "Famous Artists Corporation of Beverly Hills
South Africa Orange Free State 1900 4d on 4d ultramarine variety, SG107a Space & Aviation upper right stamp variety 'CSouth Africa Orange Free State 1900 4d on 4d ultramarine, type 31 surcharge, with level stops, complete upper right pane of 60 (6x10) from first setting with plate number '1' and full margins except at left, showing variety 'No stop after V' at R10 3, with chart of diagnostic flaws, SG107a. A fine and fresh unmounted mint sheet with full original gum. A few trivial gum wrinkles, which are immaterial, and overall in exceptional condition. A wonderful