This antique celluloid pinback button features Hal Coffman's iconic "I'm A Devil" comic character, dating back to the early 1910s. The colorful design and sturdy construction of this vintage collectible make it a must-have for any serious pinback or advertising memorabilia collector. This piece is a true representation of early 20th-century advertising and pop culture, originally designed to be attached to clothing or accessories as a form of self-expression. Own a piece of history with this unique and rare find! Very good condition, celluloid is great, light edge staining. Measures 7/8" round. c1910.