...it has since been removed/stolen...
And now a reader sent along a link to Richard installing the sign....
There's a Paul Richard tag on the Fairey mural. It's one of those Paul Richard gallery label tags, a larger one than usual, more a warning size sign. Perhaps located near the earlier hole in the Fairey mural. It says, IIRC, "Please do not graffiti the mural."
No Leviticus posters, yet.