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![Worked Obsidian Core](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDIzLTA3L2xhY21hMTczMjk0LWltYWdlLmpwZw.jpg)
Worked Obsidian Core
Worked Obsidian Core
Original public domain image from Los Angeles County Museum of Art
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