Scientists say that a series of marks carved onto a freshwater clam shell represent the earliest known engravings made by a human ancestor. The zigzag lines visible in the photo above probably were ...
Dale Chihuly white Persian Seaform art glass set. 5 total pieces including 3 graduated clam shell form dishes and 2 sea urchin form bowls. 2 pieces signed and dated '91 and '94 on base.
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