Button (USA), 1900–10 (CH 18558923).jpg
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Button (USA), 1900–10 (CH 18558923), square buttons with surfaces slightly raised and cut in facets; metal shnks.

On Cooper Union Exhibition card 2
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Button (USA), 1900–10 (CH 18558923), 1900s fashion, Artworks of the United States in the Cooper–Hewitt, Smithsonian Design Museum, Buttons in the Cooper–Hewitt, Smithsonian Design Museum, jet with metal shanks, Artist, Unknown, Button (USA), 1900–10
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ボタン 表面がわずかに盛り上がり、ファセットで切り刻まれた正方形のボタン。クーパーユニオンエキシビションカード2について
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ボタン
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cooper union