Like this one, with SU for Susquehanna. I wonder why that name was assigned to the Upper West Side?
Hopefully they’ve done more recent elevator inspections. . . .
This real estate company ad in midtown helpfully provides the full name of the exchange, ORegon.
If you look really hard, you can make out the exchange on this barely hanging on commercial real estate ad near Canal Street.
JU for Judson, the name of the 19th century church still standing on Washington Square South.