A Rare Late Victorian Novelty Mechanical Blinking ‘Goo Goo’ Pinback Badge c.1900Origin: English Period: Late Victorian Provenance: Unknown Date: c. 1900 Diameter: 1. 75 The very scarce pin back metal badge, with painted central green eye and surrounding skin, to a pull string which activated the eyelid to open and close revealing the words Goo Goo, to let a member of the opposite sex know you are an admirer, with stamped mark Pat Pending, the whole in working order and surviving from the latter part of Victorian period England.