The 1995 Fleer Ultra X-Men Sinister Observations is a complete set of 10 mint non-sport trading cards featuring characters like Cyclops, Wolverine, and Archangel. This vintage set, part of the X-Men franchise, is an original 1st Edition release with artwork by Boris Vallejo and Julie Bell. The cards are part of a chase insert series and were manufactured by Fleer in the United States.