The image shows three different types of clams on a black background, with the text "Unio rudus lea, 1859" at the top.
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The image shows three different types of clams on a black background, with the text "Unio rudus lea, 1859" at the top. The clams are arranged in a symmetrical pattern, with each one having a unique shell shape and texture. The shells are a light brown color with a glossy sheen, and the text is written in a bold, white font.
