it is beginning to appear that way Anne - the more you look at the outline shape, combined with what may have been a very difficult if not impossible cavity to produce with a plunger, then it's not unreasonable to think someone was being a tad over optimistic. That said, there are many Sowerby designs that had improbable looking bodies and cavities, but which did in fact see the light of day - sometimes it makes you marvel at the factory's ingeniousness.