Both a Starfleet officer’s jacket, and an undershirt, worn by William Shatner as Admiral James T. Kirk in The Wrath of Khan will be auctioned off July 17 at Heritage Auction Galleries Beverly Hills as part of a Star Trek-related auction.

The jacket is estimated to sell in the $20,000 range.

“Of all the Star Trek movies, The Wrath of Khan is easily still the most popular,” Heritage's Doug Norwine told Breaking Celebrity News in a statement. "And here you have the very officer’s jacket that the franchise’s most popular character wore in that same film. There can’t be many better pieces in the realm of Star Trek collecting than this one.