This pin comes from a framed set sold in 1998 at the Disneyland Resort. The set was entitled "A World On The Move: Tomorrowland 1967-1989". The entire set consisted of 7 pins, which inludes this large oversize main pin, a title pin, and 5 pins that were also part of the 1998 attraction series, Star Tours, Adventures Through Innerspace, Monorail, Space Mountain, and Peoplemover. The difference is that all the pins in this set are individually numbered XXX/750. The regular edition size was 750 sets, but there were also 75 Artist's Proof Sets, making the total 825. These sets can be denoted by no number preceding the /750. Pin features Mickey in a spacesuit and measures 2 1/4" at it's widest and highest points.