Still working on the premise of most of the cities.
Without going on the meandering course my mind took in how I came to it, the following is what will go for city markers on the map. The markers have a story behind them, which I'm still developing, but here's the layout so far.
Pardon the white border, by the way. I was going to add some aging and damage to the outside, but decided against it, forgot about the border, and ... well, yeah, anyway ...