Star Wars: Jedi Knights is a set of five metal cards that comes in a round metal container. It was released in 1998.
"The patented metal card set you are holding is an official Star Wars product made under license by Metallic Impressions. Inside are full color reproductions from the original trilogy movies featuring Luke Skywalker, Jedi Master Yoda, Ben Kenobi, and Anakin Skywalker. A special bonus card featuring a scene from The Empire Strikes Back Special Edition movie is also included. We have made every effort to create a unique metal card set, manufactured to the most exacting standards, that will endure as a treasured collectible."