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National Button Society (NBS). Since 1938. Preservation & education & exhibition.
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Button Sections & Worksheets

Division I, III & IX Sections 1 - 16: Materials

Click on the links in the menu below to link to pages where you can see each section plus download and print the related worksheet.

Clicking on the menu links will take you to examples of buttons in that section as defined in the current NBS Classification and Competition Guidelines (Blue Book). Potential labeling issues or suggested improvements should be directed to the NBS classification committee.

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