5927809 Button, Calcutta Volunteer Rifles, pre-1901 (brass) by English School, (19th century); National Army Museum, London; (add.info.: Button, Calcutta Volunteer Rifles, pre-1901. Brass button made by G H Bullivant, Birmingham, with Queen Victoria?s cypher, ?VR?, surmounted by crown, within a circlet bearing the unit title, ?Calcutta Volunteer Rifles?. The Calcutta Volunteer Rifles Corps was auxiliary infantry unit formed in 1863. It was reconstituted in March 1898 as the the 1st Battalion Calcutta Volunteer Rifles and became the 5th Calcutta Battalion in 1917. From the Field Marshal Sir John Chapple Indian Army Collection.); by National Army Museum .