This is more typical of insider art, still amateurish, but a desperate attempt to use every bit of white space as a part of the panorama. Certainly attaching a reason to every paint stroke. Wonderful "insider art" or some call this "art brut". The Kray Brothers.
Twin brothers Ronald "Ronnie" Kray and Reginald "Reggie" Kray were English gangsters who were foremost perpetrators of organised crime in London's East End during the 1950s and '60s.
Kray twins at Dolce Vita Newcastle