Desert Shield Packs
I don't know exactly how BBCE authenticates everything but I know they use a mix of provenance, testing a sample pack as well as using the black light method covered in earlier Desert Shield posts. I know Steve is aware of using this method for authentication as of late 2014. On CU, they also mentioned using a stud finder to detect the foil. I have yet to try that technique.
Re: blacklights, if you shine a blacklight on the back of the pack in a darkened room, you should see the "hot orangeish" border flourescing. You can see this through the wrapper. Regular issue 1991 Topps cards may or may not also flouresce - but all DS cards should flouresce. Previously we found only a small percentage (maybe 0.2%) that didn't....Joe 4Reals posted a great image of the cards flourescing under a black light in that post.
Z Wheat
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