This really reminds me of "hobo signs" : http://www.angelfire.com/folk/famoustramp/signs.html http://www.angelfire.com/folk/famoustramp/signs.html https://en.w

This really reminds me of "hobo signs" : http://www.angelfire.com/folk/famoustramp/signs.html http://www.angelfire.com/folk/famoustramp/signs.html https://en.wikipedia.org/wiki/Hobo#Hobo_signs_(symbols) https://en.wikipedia.org/wiki/Hobo#Hobo_signs_(symbols)