I.C.S. Faridkot 1887-98 6a olive-bistre Official error, SGO10bIndian Convention States Faridkot 1887 98 6a olive bistre Official, error 'SERVIC', SGO10b. A fine mint example with part original gum and wonderfully fresh of colour. A fine quality example and a great Government Official rarity, being one of just three recorded in private hands (with another in the Royal Philatelic Collection). Provenance: ex philatelist and author on Indian States stamps, C. T. Sturton. Accompanied with a Royal Philatelic Society