The owner is a member on here Heini - Eric....?
I think Albert may know him because of his interest in Volumetricos. I seem to remember that this was quite a thorough project and the results look great. Basis for the replica was a rare orange Vx Racing. I'm sure there is a thread on here about it...

Bing translation: (Grotesque offers will get no answers"!!)

Sells cause acquisition new cars, genuine fiat 131 racing abarth volumetrico.It is the only one of 25 copies produced in original orange and the only one in aesthetic configuration GR.IV (work carried out by our care in 2009).It has therefore a body kit replica group IV in polyester(les ailes arri?re sont encore en t?le pour un maximum de rigidit? et finition dans le temps), rims 3 parts removable 8 and 10 by 15 inches, mounted in polyurethane bushes, train feins rear disc, Interior strictly original in perfect condition never restored!The particularity of this version VOLUMETRICO of the the fact that we have in the presence an engine compression ratio decompressed for 2000 be supercharged by a compressor.Attention, this is not a compressor volumex type lancia beta or another but an abarth r10 of much larger displacement compressor, which to basis of development for the lancia rally 037.Toute the characteristics of the 25 copies in 2 doors are pr?sents(m?canique sp?cifique,pont court,syst?me de freinage repris deles de version abarth 16v stradale,radiateur d'huile,instrumentations abarth additionnel...)Mechanics has been redone it y to about 25000 kms by the former owner.It is now equipped with a carburetor weber 45 dcoe equipped with a specific intake manifold directed by our care.We have achieved an exhaust line large-diameter stainless steel that just connect to collector 1-2-4 time abarth.File photos available to the work carried out by our care.Vehicle visible only by appointment.Make tariff offer in report.For the grotesque offers no response will be given.Thank you for your understanding