Thanks to a reader for sending:

“My husband and I watched these two painting all day on Labor Day and were surprised to see the final result. It looks awesome. This house is on 9th Street NW between Westminster and T Streets.”

You can see previous nominees here. Should you spot a quiet act of heroism along these lines please do send an email with a brief description and the neighborhood where it was witnessed to [email protected] or tweet @PoPville.