A fairly common design. I have pictures of it on at least a dozen properties through out the historic neighborhoods of Vintage Las Vegas.
We have examples where the blocks have been set in columns, and there’s plenty of examples where they’ve been offset.
I’ve had comments both ways. Some of you prefer that the blocks be kept as natural concrete, and others like it when they’re painted to match the colors of the home or to provide accent. I’ve had comments both ways.