Formerly employed by W J Jeffery & Co, B Halliday left to establish his own business in 1921 at 60 Queen Victoria Street.
He moved in 1925 to 63 Cannon Street. At this time he offered gun fitting and coaching at the West London Shooting School.
In 1942 B Halliday & Co acquired the business of W H Pollard & Son.
In 1965 the firm was acquired by Watson Greenfield of Greenfields of Salisbury, Wiltshire.
The IGC is able to give some information on serial numbers and dates, email archives@internetgunclub.com with details of your gun.
Pete