Sign Decal Wood 4x1
It's a sign. You write things on it.
Harvest drops
Wood× 2
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves 
Wood Debris (Terrain) (75% of the time) where it lands.
Where to find (27 POIs)
Dr. Karen Higashi Residence (tier 5), Navezgane General Hospital (tier 5), Vanity Tower (tier 5), Beanthere Coffee Company (tier 4), Close Encounters Gun Range (tier 4), Downtown Marketplace (tier 4), Holvez Rent-a-Car (tier 4), Pineballs Bowling (tier 4), Jim & Tim's Bullets and Booze (tier 3), The Boobie Trap (tier 3), Uncle Ray's Supermarket (tier 3), White Hill Church of God (tier 3), Crack-A-Book (tier 2), Jericho Ranch (tier 2), Pal's Marina (tier 2), The Budget Burrows (tier 2), ZMB Radio Station (tier 2), Buzz's Bar (tier 1), Hog Foot Village (tier 1), Burnt Cafe, Federal Plaza, Hoops Pavilion, Lone Pine Park, Moda Bar, Navezgane Outlets, Pristine Healthcare, Woodchuck's Firewood Sale.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.