Wedgwood type earthenware disc mounted in steel.
The same design also appears in sulphide under glass.
Read the story of Hercules in the WRBA newsletter article.
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WRBA Button Album
Images of buttons are submitted by WRBA members. Categories are carefully assigned by designated editors. WRBA members are encouraged to send comments to the editors towards better description/categorization of buttons appearing in this album. WRBA Button Album is an ongoing educational project.
Complete Classification is available to the [members of the National Button Society].