Vintage pin back novelty button made in Japan. Maybe from the 50s?
Approximately 1-1/2 inches in diameter.
Text says: I've got my eye on you.
Graphic is a black on white picture of a man whose hat is popping off of his head with excitement - while standing outside of a woman's window.
The woman's silhouette shows through the window.
Peeping tom gag.
The button has a red ring around the edges with made in Japan at the bottom.