MKII weird camo pattern

[soldatidiplastica]

I want to show you this helmet of mine I got it approx 12 to 15 yrs ago. It was sold to me by a dutch guy based in uk. I just recovered it from my boxes and I am still convinced of its paint looking legit, the problem is that, since I have not came across any period images showing this camo pattern. Inside is a pale blue/grey paint, on the outside is a sand paint over the blue/grey with these greenish stripes. It doesn't look like a recent job, feel free to express your opinions if you have ever come acrosa this type of pattern. I have searchd for photos and looked for Royal Nay and Coastal defense artillery period photos, but no success so far. Any ideas?
Thanks
Pz