This is a replica of the 1926 Ozmite Club Pin!
 
These have been painstakingly reproduced to be as accurate as possible the the orginal lapel pins made in 1926! The original badge is 1.75" brass with wing design flanking stylized panel representing an open book with "OZ" at center.
 
Reverse reads "The Ozmite Club." Issued by the Oz book publishers Reilly and Lee. Badge was free and was obtained by signing up in the book department of select stores. Members also received Ozmite Club "Secrets" as a separate hand-out.