This pin is an Artist's Proof from the Framed Set entitled "A World On The Move: Tomorrowland 1967-1989". The entire set consisted of 7 pins, which includes a large oversize main pin, a title pin, and 5 pins that were also part of the 1998 attraction series. All the pins in the Framed set are individually numbered XXX/750 while the pins from the 75 Artist's Proof Sets can be denoted by no number preceding the /750. The Framed set is not currently listed on PinPics. This pin is backstamped "Limited Edition" " /750" "©DISNEY"