Walk across Swan to see...

When I drove up Swan on February 9th to re-photograph the mailboxes around 2005 North Swan and 2013 North Swan, I turned right on Waverly, just south of the Swan mailboxes. I found rows of mailboxes on both sides of Waverly. Each has a different steel cut-out underneath:

The mailbox at 4703 has a post with a lamp on top: