This is a really nice piece by an artist I call Corupt (because that is what he most commonly writes, although he also writes Stik) unusually he has written BS3 in this piece which is a postcode reference to the Southville and Bedminster area of Bristol (south of the river). It is unusual for an artist to paint a postcode outside the area of that postcode.
The piece is beautifully painted, with a fine spotty fill and nice 3D shading on the letters. My guess is that Corupt may have been a bit pissed off that his background was about six inches shy on the right hand side, it would certainly annoy me. It matters little to the overall quality of the piece.