PART 1, acquisition    This piece was acquired via the "for sale" section of the Forum. The seller, @Fitch1979, Dries offered several jaw specimens, which were clearly superior to the mostly spurious Internet auction site examples. Dries provided some provenance on the fossil. It had resided in his family's private collection for over 26 years. It had been purchased at a gem and mineral show in Ghent from a collector who acquired the specimen in 1978.    After a pleasant exch