See the full discussion here: http://www.fchgt.com/forum/viewtopic.php?f=3&t=833
Period picture:
348 challenge battle #12 vs #3 Monza 1993 – front 348 Ts challenge first ever n°#12 A.Marasco (aka J.Wayne), rear 348 TB Challenge Championship Winner over all n° #3 R.Ragazzi, 1993 in MONZA
Thanks to Luca