I see a lot of grease, which is commonly used on artillery pieces to keep them protected and working.
Lots of sliding bits spreading that grease around and flinging it everywhere.
Thats not weathering, that well maintained and functional!
Oh, and some camouflage paint.
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Speaking of real world over weathering, I am planning to add a model of this Mustang to my store catalog.
Referred to as "the most bedraggled Mustang in the squadron".
I think this represents a more realistic "well weathered" look.
Hun Flusher was a recon P-51B Mustang of the 10th Photographic Reconnaissance Group.
Supposedly perfectly well maintained and in perfect mechanical shape. Just a bit rough to look at!
Recon aircraft were true workhorses.
