Vonstuck, the first desert set you have should have been produced in a small number of pieces for San Marco Battalion (not COMSUBIN) during the war in Somalia, in 1994/1995.
It's an interesting camo, I would like to have one as well.
The other one isn't commercial, it has been issued by COMSUBIN before the last actual one (I'm not sure, but I heard in the past for the first Gulf war), that actually it isn't the one in the real photo; in fact this italian military doesn't wear this set, but another one, the so called "pink" version.
Anyway, the vertical zip + 2 chest pocket + short collar are the "typical" characteristics of COMSUBIN camouflage made by an important fabric located in Tuscania.
They made also other sets, many prototypes etc...
Here pictures of the pink version: