57
I guess it's that time of year again.
(hexbear.net)
Pretty sure I got them all down in under 48 hours. Now we wait. 
For whatever reason they keep putting them all up around the local elementary school. I'm probably making some kid waste their allowance while I get my cardio in.
I don't know if it will work on those surfaces but, dry erase maker can get permanents to start lifting on some. Otherwise, big ass chisel tip.
Yeah, I ended up going with the sharpie to cover it up.