Back in the mid-1980s, Andy Warhol made a series of digital artworks on an Amiga 1000, a personal computer created by Commodore International. The artist, tapped by the company to be a spokesperson for the computer’s multimedia capabilities, created a few public pieces as part of a marketing campaign, but it was unknown if he had made any digital artworks on his own time.

Decades later, we now know he did. Stashed away on dozens of unlabeled floppy disks was a treasure trove of never-before-seen Warhol works that were slowly deteriorating. A multi-year, collaborative effort between a team of artists, museum professionals and the Carnegie Mellon Computer Club unearthed 28 works of art and a host of 1980s graphics software that Warhol used to create these digital pieces. Read more: An Amazing Discovery: Andy Warhol’s Groundbreaking Computer Art | Design | WIRED.