Decor and furniture
Sign Canvas Wood 1x1
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 (12 POIs)
7 Days Suites (tier 5), Housing Development (tier 4), Judy Witch (tier 4), Pass-N-Gas Truck Plaza (tier 3), Bell Lake (tier 2), Pal's Marina (tier 2), The Molar & Moral Building (tier 2), Civic Square, Community Greenhouse, Forgotten Playground, Joe's Juicy Roadburger, Navezgane Public Library.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.