The wing markings match early style G.50 and possible Cr.42 styles, but not the camo, and this would have been over Croatian soil in defense against the allies. None of this would have required desert splotch camo, and would have used luftwaffe patterns as delivered from the Italian factories. None of the Croatian fighters served in North Africa it seems, and this markings and camo combination is not seen anywhere but a single artist's profile on wings palette (only slightly more reliable than wiki).
Let's just say I don't think there were any references used in making this skin. It's like SEA camo on a 109F, or something off-the-wall.