Board (Very aged)

item game:plank-veryaged · from betterruins

Used in (2)

Filters

Recipe	Category	Ingredients → output
clutter (Item Recipe)	grid	Carpenter's Blueprint + Stick ×2 + Board (Very aged) → clutter ×2
clutter (Item Recipe)	grid	Carpenter's Blueprint + Stick ×2 + Board (Very aged) → clutter ×2

Found in structures (1)

Structure	Kind
Trader camps in very cold climate regions	structure

This confirms the schematic(s) contain this code somewhere, not where or how many times -- the per-instance block-entity decoding used for tapestries isn't run for every content type.