I don't think I'd use anything related to Halper's collection if you're going for historical accuracy. The only items I think I'd trust are ones that came to market straight from family. That's probably more limited in what you need though. You may have to trust your gut and go with what makes you comfortable.
edited to add: I don't know of any database for the bad items in Halper's collection.
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Looking for Nebraska Indians memorabilia, photos and postcards
Last edited by slidekellyslide; 02-19-2013 at 07:21 AM.
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