Jonno, here are the two lists I've seen with it:
[
alexu2zep.tripod.com]
[
www.geocities.com]
It's quite likely that Mannheim On Ice would be taken from this recording, although I couldn't say for sure, as I haven't heard either of them.
I have no idea when Mickboy's 18/1/73 was put out - I downloaded it from STG nearly a year ago. I should mention that it's inferior to the C2C/latest VGP releases, as it still has vinyl crackles.