GBD Bent Billiard Smoking Pipe Vtg Estate London England UK Nice UnrestoredGBD Bent Billiard Smoking Pipe Vtg Estate London England UK Nice Unrestored some info we found online. The letters GBD on your pipe stand for the surnames of its three founders: Ganneval, Bondier, and Donninger, who established the company in Paris in 1850. The GBD brand is well known for its classic, balanced pipe shapes and quality construction. History Foundation: GBD began as a manufacturer of meerschaum pipes in Paris in the mid 19th century.