I love this little box. I found it at an estate sale in Statesboro GA, but the gentleman was former military so it could be from anywhere. I don't think it's an advertising sign, I think it would have said "Leaving xxx ENTERING xxx" based on the few discernible letters. It's about 6 x 12 inches. The thought going through my head when I bought it was "Wow Mike and Frank would love this!!" Anybody seen a box like this before or have an idea how old it is?