Thanks for the seat specification clarification for the various models Nigel.
The specific part numbers to which I referred are available as factory original supplied NOS. Mind you listing something and actually finding it in the warehouse are not always the same thing. Just a question of whether they are the right panels for my needs. I only want front seat replacement panels if they are available. The greatest cloth seat cover wear on our car is on the drivers front seat upright or seat back, specifically the right vertical side bolster which gets brushed the most on entry and exit I guess.
Lancia Beta trim colours are listed here:
http://www.lancia-beta.de/grund/grund-re16-e.htm : all interior trim options for all series and all versions,
and here
http://www.lancia-beta.de/grund/grund-re13-e.htm: all Series 2 FL trim versions only.
Our car has the grey (ograu in German) cloth trim in the two tone wavy pattern, described as a "velour" most clearly seen as a swatch in the second of the two listings.