The image shows a pair of sand dollars on a black background with the text "USNM 7151" at the top.
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The image shows a pair of sand dollars on a black background with the text "USNM 7151" at the top. The sand dollars are a light brown color and have a smooth, glossy texture. They have a spiral pattern of ridges and grooves along the sides, and a small hole in the center. The text is written in a bold, white font and stands out against the dark background.