If you’re quite familiar with the symbol below, it could be the Deathly Hallows symbol from Harry Potter. If you know that, then I’m assuming you also know that a deer has so much value for a couple of characters in the story.
If you don't have stairs in your room (I doubt most people do) then you can border your door and closet with license plates. Idk but I think it looks really cool. - - Beautiful but no stairs in my room sadly