Price was no object, as the presence on our list of the Mercedes-Benz SL550 and the sure-to-be six-figure McLaren P1 Concept attest.

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Previous studies of Trois Hommes Armes de Lances had used X-ray fluorescence - which yields a list of all the atoms within an object - but showed that there were atoms present in the work that were not present on the surface.

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