Mark, thanks for putting this together it is a handy guide for the B series pipes from Peterson. I am reblogging it to share with the readers of rebornpipes.
While serious Pete fans almost always have a working knowledge of the Classic Range shapes from first-hand experience and a few more-or-less available catalogs, the B shapes are something else, even for the knowledgeable. These began appearing not long into what we call “the Dublin Era” in The Peterson Pipe, which began in the early 1990s after Tom Palmer assumed direction of the company. Many of the Bs have never been documented in the Peterson ephemera, silently surfacing in the market for a while, then submerging.
The series seems to have began around 1998—the first year of the Limited Edition—with seven shapes: B1, B2, B5, B7, B8, B10 and B11. It would be convenient if all new shapes after 1998 had been given the B designation, but that is not actually the case.
Some of the Bs were launched as original shapes, but many began as Limited Edition or…
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