Here is further visual information pertinent to the recent Artnet article published on Feb. 3, 2015. Artnet story is here.
The principal at PS 130 (across the street from where I live in Brooklyn) had a crumbling John Lennon quote on their wall that they wanted refreshed. After getting them to agree to let me redraw it I had to figure out how to make it into a mural. Here's the blog recording the process - and the progress photos from that blog at the bottom of this page.