Lost & Found Decor
To make these boards feel a bit more aged I added a bit of Fusion Fresco to each paint color before I painted the board. I hit each board pretty heavily with a power sander.
You also want to apply the paint through the stencil very lightly and in layers. It’s better to stencil on 2-3 thin layers instead of one thick layer that bleeds!
It’s important to use a contrasting color for your words so they can be clearly read.
You can also play up your signs by adding some extra elements that fit with the theme.