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Archean Butterstone – 3.8 Ounces. Greenstone Belt, South Africa. Archean Eon, 2.5 Billion Years Old. Coccoidal Bacteria in Stromatolites
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First Printing Thus. The Illustrated A Brief History of Time (and) The Universe in a Nutshell. Two Volumes in One. 2013 Bantam Decorative Leather Bound Edition. Stephen Hawking
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