Decor and furniture
Sign Decal Corrugated Metal 5x2
It's a sign. You write things on it.
Harvest drops
Iron× 10
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves 
Scrap Metal Pile (60% of the time) where it lands.
Where to find (13 POIs)
Beanthere Coffee Company (tier 4), 4 Ever Video (tier 3), The Boobie Trap (tier 3), Uncle Ray's Supermarket (tier 3), Weston Weigh Station (tier 3), Downtown Evacuation Point (tier 2), Joey's Carlot (tier 2), Cole's Books (tier 1), Crazy Billy's Used Cars (tier 1), Auto Wash, Critic's Corner, Four Oaks Apartments, Shabby St. Outlet.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.