GNU's Not Unix

Does anyone know where this seemingly old image about GNU+Linux depicting Tux and Gnu come from? This page on gnu.org about a confirmedly free variant has the author mention it as an image perse "downloaded from the net years ago".

Forty years ago, Richard Stallman announced the plan to develop the GNU operating system, which would be entirely composed of free software. The existence of a free operating system would enable people to operate their computers in freedom, throwing off the power of the developers of nonfree software. The GNU Project has also built the global free software movement.

cross-posted from: https://lemmy.ml/post/2611168

Available at your local GNU mirror and, depending on your OS, perhaps soon your favorite package manager repository. A full list of features and changes can be found in the NEWS file.