This vintage pinback button from Logic Inc. in Detroit is a must-have for any advertising collector. With a fun computer theme, this button is a great addition to any collection. Made for promotions and advertising, this pinback button is a unique piece of history that will surely spark conversation among collectors and enthusiasts alike. Don't miss out on the chance to add this rare piece to your collection. Measures 2.5". Looks like it's 1970's to me.