NIB Star Wars Dark Horse Comics metal cards in box

Bought at the Smithsonian years ago. 1997 limited edition of 36000. 6 metal cards, front of card has cover art from 1 of 6 issues of Dark Horse Comics. Box is 5” x 3 1/2”. 2” deep. Never opened. Back of each card has narrations of storyline from the issue and a reproduction of an actual panel from that comic.