Hello All, just picked up a collection and there's a really interesting pipe that I can't find any info on. It's incredibly well made stamped 'Guild Master' on the one side, with 'Algerian Briar' over 'France' on the other. It also has a stamped 12k gold band. The vulcanite stem is screwed on with a very solid, even fit. Anyone seen one of these before and can help with some history?