This pin is an Artist's Proof from the Framed Set entitled "Walt Disney Atomic Age". The entire set consisted of 10 pins, which includes a large oversize main pin, a title pin, and 8 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 PinPics # 13264. The pin has a red & Blue background with Spaceman in blue at the top, a dark blue K7 bracketing the man in a gray space suit and Disneyland in red at the bottom. All the outlining is silver. This pin is backstamped "Limited Edition" " /750" "©DISNEY"