– a growing resource on magic and entertainment history
Look here for magic apparatus, magic sets and magic related items such as association pieces, trophies and badges for clubs.
Button hole badge for the Hamburg Magic Circle
This is the emblem of Magischer Zirkel Hamburg. According to their website it was founded in 1912 on the initiative of Karl Schröder. This badge was probably for Lewis Davenport, but possibly Gus Davenport.