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| A black and cream granite hardstone birdstone, collected in Wisconsin; image credit on full record. |
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| An opposite side view of this Wisconsin Birdstone; image credit on full record. |
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| An end view of this granite hardstone Birdstone; image credit on full record. |
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| A view of the underside and end of this Birdstone with a collector's annotation; image credit on full record. |
