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Thanks, I think though that this is a duplicate. The M-H skull (topic of the 1970s paperback, “The Crystal Skull”) was thin on provenance, and may (or may not) have had modern tools involved in its construction. In any case, there’s not much to be construed from them, kinda like the best-case scenario for Crop Circles — even if they were, uh, authentic (I very much doubt that crop circles are anything but human-made eccentricities), there’s not much way to relate them to anything in particular. :’)