Since it was dark and the stamp is so worn, you’ll have to take my word for it that this is a Lansing DPW stamp. It’s definitely from the 1940s, the question is what the last digit is. I shone a raking light over it and thought it was 1949. If so, that’s the latest DPW stamp I have found. All the 1950s stamps I have found read “Lansing DPS” instead.

It’s on the east side of Lathrop Street between Prospect and Kalamazoo, and I admit I partly wanted an excuse to show that the neighborhood has started to put its Halloween flair on, like the house this stamp is in front of.