The circular Bombay "B" obliterator was used across the Bombay Circle and only stamps cancelled in conjunction with Bahrain Type c1 can be confirmed as India used in Bahrain.
The 1874-1882 Queen Victoria Official Issue – The First “On HMS” Overprint – Blue-Black
Between 1874 and 1882 the final series of East India service stamps was issued – this time with a new overprint – “On H. M. S.”. A total of 5 values (½a, 1a, 2as (two shades), 4as and 8as) were issued. All 5 values were overprinted in black while 2 values were overprinted in blue-black.
Service
The 1882-1890 Queen Victoria Issue
Between January 1882 and 1890 a total of eleven new values were issue being ½a, 9 pies, 1a, 1a 6 pies, 2as, 3as, 4as, 4as 6 pies, 8as, 12as and 1 rupee. The values were issued in eleven different colors and, in some cases, different shades thereof. The stamps were printed on paper with a new watermark being a single star and most of the stamps exist with inverted watermark.