Sweet small all wood desk cubby hole shelf, stands on it's own, displays nicely from front or back. This is mid century vintage, back in the days where writing notes and letters was an important 'social media'. If you're a writer, you'll love this just for the purpose it was made for.
And it's a great piece to showcase your collections if most of your notes are digital. This will fit almost anywhere, it measures about- 1/2" x 5 1/2" x 10 1/2" overall.
The brown wood finish is original and shows a little wear, but it would be a simple thing to paint this to your liking. It's in good solid condition, no cracks or splitting.