Maker / backmark - Gibson McKellars & Co Calcutta. Date range - early to mid 1800's 1824- 1857. Here is a very nice original uniform button. Listed in good faith and to the best of my knowledge and abilities.
The "Button British Indian Army 19th Bengal Native Infantry 1800's Gibson McKellars" would be perfect for individuals interested in military history and reenacting, as it provides a high-quality reproduction of a specific button from the 19th Bengal Native Infantry, serving in the British Army during the 1800s.