From looking at people's trade lists over the years, I don't recall ever seeing evidence for a recording. Not that that is in any way conclusive.

Recordings do definitely exist of two other shows from that French tour: Bataclan, Paris (11 October) and Le Transbordeur, Lyon (15 October). The wiki also has a setlist for Nancy (13 October). Does the setlist differ from those?

If your recording is from Colmar, I'd certainly be interested in a copy, maybe in exchange for one of the other French shows (or whatever else you like).