There are several glassmakers in the Stourbridge area who may be capable. The salt(?) looks mould blown, so that does present a little problem.
I would first try Richard Lamming, Redhouse Glass Crafts, at the Ruskin Glass Centre:
http://ruskinglasscentre.co.uk/tennants/redhouse-glass-crafts/Richard is an absolute wizard for repairing glass, and in great demand, but may know the best person for the job. Happy hunting!