There is an ongoing series Forever Shikumen 永远的石库门 where the brilliant 井蟾斋主 decodes and interpets plaques placed above the gates of shikumen residences in Shanghai. Here is the latest issue, No. 13:
Sohu version: https://www.sohu.com/a/294587854_99943237?sec=wd
Wechat version: https://mp.weixin.qq.com/s/EXwBFLkk0imkvNpLqknP5g

He also has a collection of old town's boundary stones!
Sohu version: https://www.sohu.com/a/294587854_99943237?sec=wd
Wechat version: https://mp.weixin.qq.com/s/EXwBFLkk0imkvNpLqknP5g

He also has a collection of old town's boundary stones!