Use leftover wood to attach boards together on the backside with wood screws
Stain boards with grey stain for an aged appearance
Use a whitewash technique with white paint
Create stencil with home address or use purchased stencils
Trace the letters on the board before painting with a pencil to assure even placement.
Using black craft paint and stencil brush, stencil the letter.
Allow to dry
Spray with a clear sealer to prevent peeling and fading.
Notes
This sign is designed for a porch with cover. A wooden sign exposed to the elements may not hold up over time. Extra sealant is required and you may still expect some warping.