This is an incredibly sweet idea. "Open when you need to know how much I love you; open when you don't feel beautiful; open when you need a laugh; open when you miss me; open when you're mad at me; open when you need a date night, etc.
An old picture frame and a few small cup hooks can be turned into a great place to keep your keys organized. Just remove the glass from the frame and insert the hooks to hang your keys. – 150 Dollar Store Organizing Ideas and Projects for the Entire Home