After tabulating the votes on the blog and in real life, the winner of my query last week became clear in a hurry. I give you the finished product, the Apartment Number Card Frame!
I trimmed the cards so they're a perfect fit. These are definitely easiest to read. I grabbed some command velcro strips and got to hangin'!
Here it is hanging in its new home. Just for reference, the tan part of the wall is a little niche around my door. The bright white wall on the left side is the end of the hallway, while the white part to the right is the edge of the hall that leads to the elevator.
And here's the final product, at home and everything: