"No Carry" signs
I am glad our community (at least) provides lock-boxes adjacent to the municipal building metal detectors. This was done specifically to accomodate official and CC carriers, despite our mayor being a Bloomberg syncophant ( a Mayors-Against-Guns nut). Fortunately, our police chief has the ''shall issue'' mentality despite the mayor's self-delusion.
I too, however, have yet to see any "no firearms" signs, in any variation, in our area.
GOAL.org membership and H2259 is the cure to those one considers "mislead and misinformed (Mass.) 'liberals'".