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All Stereohype button badges available at stereohype.com are classic high quality one inch (25mm) metal back badges with so-called D-pin. Tiny stickers at the back mention the artist, release date, series number, etc. The growing collection of these mobile mini canvases – featuring over 1,700 individual designs by over 600 international graphic designers, illustrators, photographers and artists – consists of all B.I.O. (By Invitation Only) contributions, winners of Stereohype's annual button badge design competition and additional series such as the special collaborations: AFOMFS Series, MICA Series, 10x10 Series and Emoji Series. Badges are manufactured in the United Kingdom.

Also available as part of Stereohype button badge gift box Pie Charts.

Created by: Medium / Lisa Olausson

Selected international designers, illustrators and artists were invited to submit designs for this one inch (25mm) button badge series. Stereohype sells B.I.O. (By Invitation Only) Series 5 badges separately and gives them away as a free surprise badge with selected Stereohype T-shirts. B.I.O. Series 5 includes artworks by Agathe Jacquillat / FL@33, Andy Smith, Birgit Simons, Darren Firth, ÉricandMarie, Holger Klein, Gonzague aka Alexandre Leonard-Dalissier, Kerstin Hlava-Landeck, Samantha (Manti) Bohatsch / Less Rain, Lotie, Lisa Olausson / Medium, Richard J. Kirk / Manikato, Rachel Pfleger, Anne & Alex / Rude & Rusitschka, Tomi Vollauschek / FL@33, Ronald Wisse / Visualdata. Released: November 2006