The Companion Portrait is a wall hanging you can build (the Decor page).
In-game description
Your companion in its own coat, in a walnut frame with a ribbon. Painted from the companion with you (or, with none, the first at home) when you hang it.SHOWN IN THE BUILD RING
Building it
It costs 3 
Wood, 1 
Woolen Cloth, 2 Water spirits. Take it down with DISMANTLE to get its cost back (see Building).
