This is another cryptic one. It reminds me of those “BAY03” ones that pop up here and there. The style is similar enough that I wonder if there is a connection. It’s on the east side of Clifford Street between Prospect and Eureka. Is the “80” a date or part of the contractor’s name? I don’t know how to begin figuring it out. It will likely remain a mystery.

I get quite bothered by how poorly cleared the sidewalks are in Lansing. This is after a couple of days above freezing, too. Anyway, this is facing south, and the stamp is in the second closest block to the camera.