Lineage.
BBC FM Broadcast > ? > vinyl bootleg > ? > traded CDR > EAC (secure mode) > Flac (level 8, sector boundary aligned, verified).
That is as much information as I know.
Details for this release and original artworks can be found at:
http://www.pf-roio.de/roio/roio-cd/meddler.cd.html
My alternate cover artwork - http://www.cdr.vplay.co.uk/pfmd2.htm
If you wish to use this artwork it is free, and please pass it on for free.
I will not tolerate this artwork if being used for financial gain or e-bay or elsewhere, so there.
I retain the copyright to this artwork.